Bio-data a. Personal details

BIO-DATA

A.Personal details Name: Shital Kumar Chattopadhyay

B-5/180; Kalyani-741235, West Bengal

Dob: 23-09-1957

1. 
   Affiliation: Professor of Chemistry
   

University of Kalyani

Kalyani-741235, West Bengal, India

Tel: [phone](Mobile)

E-mail: [e-mail]

B.Positions of Administrative responsibility:

Dean, Faculty of Science 2010-2012

University of Kalyani

Aug 2010-Aug 2012

D. Academic Engagements: (1) Member of the NAAC Peer Review Committee 2010- till

date

(2) Member of the Expert Committee, Department of Science

and Technology, Govt of India, for North East Regional

Special Research Support, 2008-2012.

5. Fellowships and Honors:

1. 
   Complementary membership of American Chemical Society 2015-2018
   
2. 
   American Chemical Society Reviewer certificate 2016
   
3. 
   Elected Member, West Bengal Academy of Science & Technology, 2014
   
4. 
   INSA-Royal Society Visiting Professor, University of London, Feb. 2008-April 2008.
   
5. 
   Awarded jointly by the Department of Science & Technology, Govt. of India & European Economic Commission, Post Doctoral Research Bursary, University of East Anglia, U. K., 1990-91.
   
6. 
   Tetrahedron (Elsevier) most cited research paper : 2007-2011.
   
7. 
   Excellence of Research award by Kalyani University, 2015
   

5. 
   Employment details:
   

Position held	Institution	Period
Research Associate	Indian Institute of Science, Bangalore (Prof. Goverdhan Mehta, FRS)	July1998 – March 1999
Postdoctrol Research Associate	Nottingham University, UK (Prof. G. Pattenden, FRS)	January 1994 – April 1998
Postdoctrol Research Associate	Umea University (with Prof. T.Frejd) Sweden	Nov. 1992 – Dec. 1993
Postdoctrol Research Associate	University of East Anglia (Prof. A. McKillop)	August 1990 – Oct. 1992
Reader in Chemistry	University of Kalyani	23-4-1999 to 22-4-2017
Professor of Chemistry	University of Kalyani	23-4-2007 to till date

5. 
   Academic profile:
   

Examination passed	Board/Univ	Result
Higher Secondary	West Bengal Board of Secondary Education	I
B.Sc. (Hons in Chemistry)	University of Burdwan	I
M.Sc (Chemistry)	University of Kalyani	I
Ph. D.	University of Kalyani with Professor K. C. Majumdar	-

5. 
   Research Interests : (i) Total synthesis of bio-active natural products
   

(ii) Development of new methodology for heterocyclic synthesis

(iii) Design and synthesis of peptide-based drugs

5. Research Guidance:

No. of Ph. D Students: Twenty two awarded: Eight ongoing

K. Membership of professional bodies:

1. 
   Life member, CRSI, Bangalore; (ii) Life Member IACS, Kolkata
   

L. Research Projects handled:

Sl. No	Title of the Scheme	Funding agency	Amount Sanctioned	Period
	Studies on the diversity oriented synthesis of natural products	DST, Govt of India	39 lacs	2014-2017
2.	Synthesis of carbasugars and azasugars as glycosidase inhibitors	C.S.I.R., Govt of India	14 lacs	2013-2016
3	Studies towards the synthesis of some bioactive natural products and analogues thereof	DST, Govt of India	34 lacs	2009-2012
4.	Studies on the utility of olefin metathesis in organic synthesis	DST, Govt of India	25 lacs	2006-2009
5.	Studies towards the synthesis of novel telomerase inhibitor telomestatin	DST, Govt of India	19 lacs	2003-2006
6.	Studies on the synthesis of acyclic and cyclic peptides of biological interest	C.S.I.R., Govt of India	11 lacs	2001-2004

13. 
    Talks in Seminars
    

1. 
   International:
   

(1) Cyclic peptides as important scaffold for Drug Development

International Conference on Organic Synthesis, IIT Bombay, December 11-16, 2016

(2) Modular synthesis of amino acids and cyclic peptides related to Histone Deacetylase Inhibition

Oral presentation in International symposium on Olefin metathesis (ISOM-XXI), Graz, Austria, July 12-16,

2015

(3) Olefin metathesis mediated synthesis of alpha-amino acids, July-10-15, 2011, International Symposium on Olefin metathesis , Rene, France .

(4) Studies on the synthesis of biologically active oxazole and piperidine natural products

International symposium on organic synthesis, IACS, Kolkata, December 9-10,2009.

(5) Studies on the synthesis of biaryl ether-based cyclopeptides of biological relevance

Celebration of Organic Synthesis, Nottingham University, U. K., October 5-6, 2008.

6. 
   Studies towards the synthesis of analogues of the novel telomerase inhibitor
   

Telomestatin

International Symposium on Organic Chemistry – Today and Tomorrow

Organised by Department of Organic Chemistry, I. I. Sc., Bangalore Jan 4-7, 2006
(B) National:

(7) Is Diversity Oriented Asymmetric Synthesis of Targets (DOAST) a new friend to Organic Chemists?

Invited Talk, Sikkim NIT, January 23-25, 2015

(8) Challenges and opportunities in Organic Synthesis

Invited lecture in Indian Academy of Science Seminar at Vivekananda College, Burdwan

June 23-24, 2014

(9) Working in Asymmetric Synthesis of Natural products: the delights and the worries

Invited talk in Barasat State University, July 4, 2013

(10) Organic Synthesis: a powerful tool in drug discovery

Visva Bharati, August 16-17, 2012

(11) Dipolar cycloaddition in targeted synthesis

Bhratidashan University, Trichi, Feb 22-24, 2011.

(12) An organic chemist’s quest for a telomerase inhibitor

Invited talk, Dibrugarh University, November 2010.

13. 
    Organic synthesis as a tool in drug discovery
    

A symposium organized by the Indian Chemical Society , Kolkata, August 1-2, 2008

(14) On the utility of (-) or (+)-serine in organic synthesis

Jadavpur University, Department of Chemistry June 2008

15. 
    New routes to α-amino acids and cyclic peptides of biological relevance:
    

8^Th NOST Symposium, Mazorda Beach Resort, Goa, July 7-9, 2007.

15. 
    Studies towards asymmetric synthesis of two bio-active natural products
    

Fifth One day National Symposium in Chemistry; Organised by Department of Chemistry,

I. I. T. Kharagpur; Feb 26, 2006.

15. 
    Cyclic dehydropeptides as potential surrogates of two novel anti-cancer natural products
    

National Symposium on Current Trends in Chemistry; Organised by Department of Chemistry, University of Kalyani, Jan 30-31, 2007

15. 
    Chiron approach to natural products
    

First Chemical Research Society of India (Kolkata Chapter) meeting; Organised by I. A. C. S., Kolkata,

August 1-2, 2001.

N. Publications:

82. Stereodivergent synthesis of lipophilic α-amino acids and 3-amino-1,2-diols

S. K. Chattopadhyay, B. Chatterjee and S. Ghosh

Tetrahedron: Asymmetry 2016, 27, 1168

81. Ag(I)-Catalyzed Domino Cyclization-Addition Sequence with Simultaneous Carbonyl and Alkyne Activation as a route to 2, 2^/-Substituted Bisindolylarylmethanes

S. Karmakar, P. Das, D. Ray, S. Ghosh and S. K. Chattopadhyay, Org. Lett. 2016, 18, 5200.

80. A modular approach to cyclic tetrapeptides related to histone deacetylase inhibition: synthesis of epi-microsporin A

Mukherjee, J. P.; Sil, Suman; Chattopadhyay, S. K.

Tetrahedron Lett. 2016, 57, 739.

79. A diversity oriented synthesis of some biologically relevant cyclic peptides through late stage functionalization

Mukherjee, J. P.; Pahari, A. K.; Sil, Suman; Chattopadhyay, S. K.

Synthesis 2016,1181.
78. Diversity oriented synthesis of analogues of the novel macrocyclic peptide FR225497 through late stage functionalization

Mukherjee, J. P.; Sil, Suman; Chattopadhyay, S. K. Beil. J. Org. Chem, 2015,11,2487.

77. δ,ε-Unsaturated α,β-diamino acids as building blocks for the asymmetric synthesis of diverse α,β -diamino acids

N. Saha, B. Chatterjee, S. K. Chattopadhyay, J. Org. Chem. 2015, 80, 1896.

76. A short synthesis of the a-amino acid component of some cyclic peptides

A. Pahari, J. P. Mukherjee, S. K. Chattopadhyay, Tetrahedron 2014, 70, 7185-7191.

75. Coumarin-Pterocarpan conjugates: A new hybrid molecular probe for DNA recognition

Shital K Chattopadhyay, Indranil Kundu and Ratnava Maitra

Org. Biomol. Chem. 2014, 12, 8087-8093.
74. Enantioselective synthesis of polyhydroxy indolizidine and quinolizidine derivatives from a common precursor

Nemai Saha and Shital K Chattopadhyay, Beil J. Org. Chem, 2014, 10, 3104.

73. Asymmetric synthesis of D-Proline, D-Pipecolic acid, 3S, 4R-3,4-dihydroxyproline and 1,4-dideoxy-1,4-imino-D-talitol from a common precursor

S. K. Chattopadhyay, J. P. Mukherjee Synthesis 2014, 46, 2481-2488.
72. A New Atom-economic Access to Pyranocoumarins and their Benzannulated Derivatives

Shital K Chattopadhyay*, Poulomi Mondal, Debalina Ghosh

Synthesis 2014, 46, 3331
71. Green Synthetic Approaches for Medium Ring-sized Heterocycles of Biological Interest

S.K. Chattopadhyay, In Green Synthetic Approaches for Biologically relevant Heterocycles. Ed. G. Brahmachari. Elsevier 2014. ISBN: 978-0-12-800070-0.

70. Efficient synthesis of quinolylglycine, quinolylalanine and higher homologues

S. K. Chattopadhyay and I. Kundu, Synth Commun. 2014, 44, 2112.

69. A Unified approach to the important protein kinase inhibitor balanol and a proposed analogue

Tapan Saha, Ratnava Maitra and S. K. Chattopadhyay, Beil J. Org. Chem. 2013, 9, 2910-2915.

68. Acridone-pterocarpan conjugate: a new hybrid molecular probes for the recognition of nucleic acids

S. K. Chattopadhyay, R. Maitra, I. Kundu, Eur J. Org. Chem. 2013, 8145-8153
67. Diversity oriented synthesis of aminocyclihexitol derivatives

A. Bandyopadhyay, P. Mitra, S. K. Chattopadhyay, Synthesis 2013, 536.

66. Enantiodivergent and enantioconvergent synthesis of the dendrobate alkaloid 241 D

Nemai Saha and S. K. Chattopadhyay J. Org. Chem. 2012, 77, 11056.

65. An enantiodivergent synthesis of N-protected azetidine 2-carboxylic acid

T. Biswas, J. Mukherjee and S. K. Chattopadhyay

Tetrahedron:Asymmetry 2012, 23, 1416

64. A new route to pyrano[3,2-a]carbazole ring system and annulated derivatives thereof S. K. Chattopadhyay, D Ghosh, P. Mondal, S. K. Ghosh Synthesis 2012, 2448.

63. A stereodivergent route to four stereoisomeric 3’-acetoxycyclopentenylglycine

Derivatives.

Indranil Kundu, R. Maitra, M. Jana, S. K. Chattopadhyay Synthesis 2012, 304

62. A new entry to the phenanthridine ring system

P. Mondal, L. Thander, S. K. Chattopadhyay Tetrahedron Letters 2012, 53, 1328

61. Enantiodivergent synthetic entry to the quinolizidine alkaloid Lasubine II

N. Saha, T. Biswas and S. K. Chattopadhyay Org. Lett. 2011, 13, 5128.

60. A stereoselective route to cis-3-hydroxypipecolic acid and two enantiomeric 2-hydroxymethyl-3-hydroxypiperidine derivatives

S. K. Chattopadhyay, S. P. Ray and T. Saha, Synthesis, 2011, 2664.
59. A stereodivergent route to three stereoisomeric aminocyclopentitol derivatives

S. K. Chattopadhyay and A. Bandyopadhyay,

Tetrahedron Letters, 2011, 52, 3942.
58. Heterocycles in Natural Product Synthesis:

Eds. S. K. Chattopadhyay and K. C. Majumdar, John Wiley & Sons, 2011,

ISBN: 978-3-527-32706-5
57. Asymmetric synthesis of Chiral oxa- and azacycle fused anthraquinones

S. K. Chattopadhyay, T. Biswas and T. Biswas Tetrahedron:Asymmetry, 2010, 21, 232.
56. Efficient Construction of the Carbon Skeleton of the Novel Polyoxazole-based Cyclopeptide IB-01211 via a Biomimetic Macrocyclisation

S. K. Chattopadhyay and S. K. Singha, Synlett 2010, 555.
55. A stereodivergent route to two epimeric pyrrolidinylglycine derivatives

A. Bandyopadhyay, A. Pahari and S. K. Chattopadhyay

Tetrahedron Letters 2009 , 50, 6036
54. A new and general route to 2-pyrrolylglycine, 2-pyrrolylalanine and homo-2-pyrrolinyl alanine derivatives K. Sarkar, S. K. Singha and S. K. Chattopadhyay, Tetrahedron:Asymmetry, 2009, 20, 1719.
53. Stereoselective synthesis of azetidinylglycine and aminopyrrolidinone

Derivatives L. Thunder, K. Sarkar and S. K. Chattopadhyay, Tetrahedron:Asymmetry 2009, 20, 1213.
52. Sequential Aza-Claisen Rearrangement and Ring-closing Metathesis as a Route to 1-Benzazepine Derivatives

D. Ghosh, L. Thunder, S. K. Ghosh and S. K. Chattopadhyay, Synlett 2008, 3011.

51. Concise syntheses of stereoisomeric hexahydroazepine derivatives related to the novel Protein Kinase C inhibitor balano

S. P. Ray and S. K. Chattopadhyay, Tetrahedron Lett. 2008, 5498.

50. A short route to N-protected furanomycin, 5’-epi furanomycin and nor-furanomycin derivatives. A. Bandyopadhyay, B. K. Pal and S. K. Chattopadhyay Tet:Asymm. 2008, 1875.
49. Complementary routes to both enantiomers of pipecolic acid and 4,5-dihydroxypipecolic acid derivatives

S. K. Chattopadhyay, T. Biswas, & T. Biswas Tetrahedron Lett. 2008, 49, 1365.
48. Sequential Claisen Rearrangement and Intramolecular Heck Reaction as a Route to Medium Ring Oxacycle-fused Heterocycles.

S. K. Chattopadhyay, K. Neogi, S. K. Singha and R Dey Synlett 2008, 1137.

47. Convergent synthesis of contiguous tetra- and pentaoxazole ring systems related t o some bioactive natural products

S. K. Chattopadhyay, S. Biswas and S. Ghosh, Synthesis 2008, 1029.
46. A stereo divergent route to two epimeric piperidinylglycine derivatives: application to the synthesis of carbocyclic β-lactams

S. K. Chattopadhyay, K. Sarkar, L. Thander & S. P. Roy Tetrahedron Lett. 2007, 48, 6113.
45. Formation of medium ring heterocycles by diene and enyne metathesis

S. K. Chattopadhyay, S. Karmakar, T. Biswas, K. C. Majumdar, H. Rahman, B. Roy Tetrahedron 2007, 63, 3919.
44. A Short route to the macrocyclic core of the biaryl ether-based cyclopeptides

S. K. Chattopadhyay, A. Bandyopadhyay & B. K. Pal Tetrahedron Lett. 2007, 48, 3655.
43. Efficient construction of a macrocyclic hexaoxazole derivative relevant to the

synthesis of analogues of the novel telomerase inhibitor telomestatin

S. K. Chattopadhyay and Suman Biswas Tetrahedron Lett. 2006, 47, 7897

42. Efficient construction of a doubly functionalized tris-oxazole derivative relevant to the synthesis of the novel telomerase inhibitor telomestatin

S. K. Chattopadhyay, S. Biswas and B. Pal, Synthesis 2006, 1289.
41. Synthesis of oxepine-, oxocine-, and azepine-annulated carbazole derivatives by combined Claisen rearrangement and diene/enyne metathesis

S. K. Chattopadhyay, S. P. Roy, D. Ghosh and G. Biswas, Tetrahedron Lett. 2006, 47, 6895.

40. Sequential Double Claisen Rearrangement and Two-directional Ring-closing Metathesis as a Route to Various Benzofused Bis-oxepin and Bis-oxocin Derivatives

S. K. Chattopadhyay, Titas Biswas and Susama Maity, Synlett 2006, 2211.
39. Regio- and stereoselective synthesis of pterocarpan derivatives on a carbazole scaffold by cascade sigmatropic rearrangement

S. K. Chattopadhyay, D. Ghosh and T. Biswas, Synlett 2006, 3358.
38. Comnined Claisen Rearrangement And Olefin metathesis as a route to diverse naphthalene derivatives of pharmaceutical interest

S. K. Chattopadhyay, D. Ghosh and K. Neogi Synth. Commun 2007, 37, 1535.
37. Synthesis of Polycyclic Coumarin Derivatives by Combined Claisen

Rearrangement, Ring-closing Metathesis, and Diels - Alder Reaction

S. K. Chattopadhyay, T. Biswas and K. Neogi, Chem. Lett. 2006, 35, 376.

36. Enantioselective synthesis of dihydrofuranylglycine, furanylglycine, furanylalanine and homo-furanylalanine derivatives

S. K. Chattopadhyay, S. Karmakar and K. Sarkar Synlett 2005, 2083.
35. A short new route to the chiral spiro-tetrahydrofuran subunit common to some terpenoids S. K. Chattopadhyay, S. Karmakar and K. Sarkar Synth Commun 2005, 35, 2125.

34. Heck-type arylation of didehydropeptides

S. K. Chattopadhyay and B. K. Pal Synth. Commun. 2005, 35, 1167.

33. A new [5+1]-annulation route to some quinazoline and fused pyrimidine derivatives, S.K.Chattopadhyay, R. Dey and S. Biswas Synthesis 2005, 1083.

32. Regioselective synthesis of oxepin- and oxocin-annulated 2-Quinolones.

S. K. Chattopadhyay, R. Dey and S. Biswas Synthesis 2005, 403
31. Grob-type fragmentation of a carvone derived -hydroxymesylate: application to the synthesis of chiral lavandulol derivatives

G. Mehta, S. Karmakar and S. K. Chattopadhyay Tetrahedron 2004, 60, 5013

30. Combined Multiple Claisen rearrangement and ring-closing metathesis as a route to naphthalene, anthracene and anthracycline ring systems

S. K. Chattopadhyay, B. K. Pal and S. Maity Chem Lett 2003, 1190
29. A new (3 + 3)- annulation route to isoquinoline-3-carboxylate

S. K. Chattopadhyay, S. Maity , B. Pal and S. Panja Tetrahedron Lett. 2002, 43, 5079.

28. Combined Claisen Rearrangement and ring-closing metathesis as a route to oxepin and oxocin-annulated coumarins, S. K. Chattopadhyay, S, Maity and S. Panja; Tetrahedron Lett, 2002, 43, 778.

27. A Total Synthesis of the Marine Macrolide Ulapualide - A.

S. K. Chattopadhyay and G. Pattenden J. Chem. Soc., Perkin Trans1, 2000, 2429
26. Synthesis of the tris - Oxazole Ring System Present in Marine Macrolides of the Family of the Ulpualides. S. K. Chattopadhyay J. Kempson, A. McNeil, G. Pattenden, D. Rippon, M. Reader and D. Waite J. Chem. Soc., Perkin Trans. 1, 2000, 2425

25. A new Carvone based Construction of the Ring - A of Taxoids

G. Mehta, S. K. Chattopadhyay and J. D. Umarye.

Tetrahedron Lett. 1999, 40, 4881
24. Total Synthesis of Ulapualide A, a novel tris - Oxazole containing Macrolide from the Marine Nudibranch Hexabranchus Sanguineous.

S. K. Chattopadhyay and G. Pattenden ; Tetrahedron Lett. 1998, 39, 6095
23. Synthesis of Optically Active Arylene bis-alanine Derivatives Carrying orthogonal Protecting Groups. A. Ritzen, B. Basu, S. K. Chattopadhyay, F. Dossa and T. Frejd, Tetrahedron: Asymmetry 1998, 503
22. Synthesis of Optically Active 1, 1’ - Ferrocynylen-bis-alanine Carrying four different protecting groups. B. Basu, S.K. Chattopadhyay, A. Ritzen and T. Frejd Tetrahedron : Asymmetry 1997, 1841
21. Towards a Total Synthesis of Ulapualide A. A concise Synthesis of the tris - Oxazole Macrolide Core and the Entire Carbon Skeleton.

S. K. Chattopadhyay and G. Pattenden, Synlett. 1997, 1345

20. 
    A convergent Synthesis of the tris - Oxazole unit common in some macrolides of Marine Origin. S. K. Chattopadhyay and G. Pattenden Synlett. 1997, 1341
    

19. Applications of Ethyl Carboethoxyformimidate to Heterocyclic Synthesis: preparation of condensed Pyrazinones and 1,4 -Oxazinones. A. McKilliop, S. K. Chattopadhyay, A. Henderson and C. Avendano Synthesis 1997, 301

18. Synthetic Studies towards Novel tris - Oxazole based Macrolides of Marine Origin. Stereocontrolled Synthesis of the C20-C35 Fragment in Ulapualide A.

S. K. Chattopadhyay and G. Pattenden Tetrahedon Lett. 1995, 36, 5217

17 A Short New Route to the Pyrido [2,3,4 - k l ] acridine Subunit Common to Pyridoacridine Alkaloids of Marine origin.

N.M. Ali, S. K. Chattopadhyay, A. McKillop, R. M. Peret-Gentil, T. Ozturk and R. A. Rebelo J. Chem. Soc., Chem. Commun. 1992, 1453

16. One - pot Synthesis of 2-Aryloxymethy1-1-Cyanomethy-1-5,6-Dihydro-4H-Pyrrolo- [3,2,1 - ij] - quinoline via Rearrangement of the N - Oxide from 1-Aryloxy-4-tetrahydro-1-quinoly1-but-2-yne.

K.C. Majumdar, S. K. Chattopadhyay and A.T. Khan J. Chem. Soc., Perkin Trans. 1, 1990, 2219

15. Studies in [3,4] Sigmatropic Rearrangements : A Novel Synthesis of 9-Allenyl-10- substituted Anthracenes from 10, 10-Disubstituted 9-Anthrols;

K. C. Majumdar, A.T. Khan and S. K. Chattopadhyay J. Chem. Soc., Perkin Trans. 1, 1990, 2219.

14. Phase-transfer catalysed alkylation of 6(5H)-Phenanthridone and (5H) - phenanthridinethione. K. C. Majumdar, S. K. Chattopadhyay and A. K. Gupta Ind. J. Chem. 1990, 29B, 1138.

13. Phase-transfer catalysed alkylation of 4-Hydroxycoumarin : Synthesis of α, α - disubstituted-o-hydroxyacetophenones. K. C. Majumdar, A.T. Khan and S. K. Chattopadhyay Ind. J. Chem. 1990, 29B, 483.

12. Synthesis of 10-Alkyl-9-Allenylanthracenes involving [3,4]-Sigmatropic Rearrangement. K. C. Majumder, A.T. Khan and S. K. Chattopadhyay J. Chem. Soc., Chem. Commum. 1989, 654

11. Phase-Transfer-Catalysed Alkylation of 3- Hydroxycoumarin. K. C. Majumdar, A. T. Khan and S.K. Chattopadhyay Heterocycles, 1989, 29, 1573.

10. A reinvestigation of the reaction of anthrone with propargyl bromide.

K. C. Majumdar and S. K. Chattopadhyay Ind. J. Chem. 1989, 28B, 514.

9. Studies of [3,3] Sigmatropic Rearrangement : Rearrangement of 3-(4-p-Tolyxbut-2-ynyloxy) [1] benzopyran-2-one. K.C. Majumder, R.N. De, A.T. Khan, S.K. Chattopadhyay; K. Dey & A. Patra J. Chem. Soc., Chem. Commun. 1988, 777

8. Phase-Transfer-Catalysed Alkylation of Anthrone and 10-Propargylanthrone.

K. C. Majumdar, S. K. Chattopadhyay and A.T. Khan Synthesis 1988, 552

7. Studies on Amine Oxide Rearrangement : An Unusual Product from the Reaction of 1-Phenoxy-4-tetrahydroquinolyl-but-2-yne with m-Chloroperbenzoic acid. K. C. Majumdar and S. K. Chattopahdyay J. Chem . Soc., Chem. Commun. 1987, 524

6. Studies in Amino Claisen Rearrangement : Rearrangement of 3, 6 - Bis ( N-methylanilion) Cyclohexene. S. K. Chattopadhyay, R.N.De and K.C. Majumdar, Ind. J. Chem. 1987, 26B, 480

5. Fragmentation of 1, 6 - Bis (arylsulphinyl) hexa 2, 4 - diynes, 1 - Arylsulphenyl - 6 - arylsulphinyl - hexa - 2, 4 - diynes and l- arylsulphinyl - 6 - arylsulphonylhexa - 2, 4 - diynes under Electron Impact. B.K.Sen, S. K. Chattopadhyay, and K.C. Majumdar, J. Indian. Chem. Soc. 1987, 54, 28

4. Alkylation of Acridone and Thioacridone. S.K. Chattopadhyay, B.K.Sen and K.C. Majumdar, J. Indian Chem. Soc. 1987, 54, 313

3. Synthesis of Bicyclic Oxygen Heterocycles : Part - II - Synthesis of 9 - Aryloxy - 3 - bromo - 2, 4 - ethanochromans.

S. K. Chattopadhyay, B. K. Sen and K. C. Majumdar Ind. J. Chem. 1986, 25B, 56

2. Reaction of Anthrone with Propargyl Bromide : A Novel Synthesis of 2 - Methylanthra [9, 1 - bc] - pyran

K.C. Majumdar, B. K.Sen and S. K. Chattopadhyay Ind. J. Chem. 1986, 25B, 1024

1. Synthesis and Alkylation of Bis (9 - anthryl) Disulphide; K. C. Majumdar, S. K. Chattopadhyay and B.K. Sen Ind. J. Chem. 1986, 25B,1261