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 Manas
Chakrabarty
Emeritus Scientist (CSIR)
(Formerly, Senior Professor)
PhD: University of Calcutta (1974) Emeritus
Scientist (CSIR)
Research Interests
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Synthetic Heterocyclic Chemistry
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Green Chemistry
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Chemistry of Terrestrial & Marine Natural Products
Selected Publications
1.
Chakrabarty, M., Mukherji, A., Karmakar,
S., Mukherjee, R., Nagai, K., Geronikaki, A., and Eleni, P. (2010) An
expedient synthesis of novel 2-substituted thiazolo[4,5-f]isoquinolines/quinolines
and benzo[1,2-d:4,3-d']bisthiazoles and their potential as
inhibitors of COX-1 and COX-2. ARKIVOC xi, 265-290.
2.
Chakrabarty, M., Kundu, T., Arima, S.,
and Harigaya, Y. (2008) An expedient, regioselective synthesis of
novel 2-alkylamino- and 2-alkylthiothiazolo[5,4-e]- and -[4,5-g]indazoles
and their anticancer potential. Tetrahedron 64, 6711-6723.
3. Chakrabarty,
M., Mukherji, A., Mukherjee, R., Arima, S., and Harigaya, Y. (2007) A Keggin
heteropoly acid as an efficient catalyst for an expeditious, one-pot
synthesis of 1-methyl-2-(hetero)arylbenzimidazoles. Tetrahedron Letters
48, 5239-5242.
4.
Chakrabarty, M., Basak, R., Harigaya,
Y., and Takayanagi, H. (2005) Reaction of 3/2-formylindoles with
TOSMIC: Formation of indolyloxazoles and novel stable indolyl primary
enamines. Tetrahedron, 61, 1793-1801.
5.
Chakrabarty, M., Kundu, T., Arima, S.,
and Harigaya, Y. (2005) An expedient, regioselective synthesis of
2-alkylamino- and 2-alkylthiothiazolo[5,4-e]indoles. Tetrahedron
Letters, 46, 2865-2868
6.
Chakrabarty, M., Ghosh, N., and
Harigaya, Y., (2004) A clay-mediated, regioselective synthesis of
2-(aryl/alkyl)aminothiazolo[4,5-c]carbazoles. Tetrahedron Letters,
45, 4955-4957.
7.
Chakrabarty, M., Basak, R., Ghosh, N.
and Harigaya, Y. (2004) Michael reaction of indoles with
3-(2’-nitrovinyl)indole under solvent-free conditions and in solution. An
efficient synthesis of 2,2-bis(indolyl)nitroethanes and studies on their
reduction. Tetrahedron, 60, 1941-1949
8.
Chakrabarty, M., Sarkar, S., and
Harigaya, Y. (2003) An expedient synthesis of benzo[h]quinazolin-4(3H)-one:
Structure of samoquasine A revisited. Synthesis, 2292-2294.
9.
Chakrabarty, M., Basak, R., and
Harigaya, Y. (2003) Concise synthesis of coscinamide B, a bisindolic enamide
from marine sponge. Synthesis, 2011-2014.
10.
Chakrabarty, M., Ghosh, N., Basak, R.,
and Harigaya, Y. (2002) Dry reaction of indoles with carbonyl compounds on
montmorillonite K10 clay: a mild, expedient synthesis of diindolylalkanes
and vibrindole A. Tetrahedron Letters, 43, 4075-4078.
11.
Chakrabarty, M., and Sarkar, S. (2002)
Novel clay-mediated, tandem addition-elimination-(Michael) addition
reactions of indoles with 3-formylindole: an eco-friendly route to
symmetrical and unsymmetrical triindolylmethanes. Tetrahedron Lett., 43,
1351-1353.
12.
Chakrabarty, M., Basak, R., and
Harigaya, Y. (2001) A sojourn in the synthesis and bioactivity of
diindolylalkanes. Heterocycles, 55, 2431-2447.
13.
Chakrabarty, M., Basak, R., and Ghosh,
N. (2001) Microwave-assisted Michael reactions of 3-(2'-nitrovinyl)indole
with indoles on TLC-grade silica gel. A new, facile synthesis of 2,2-bis(3'-indolyl)nitroethanes”.
Tetrahedron Letters, 42, 3913-3915.
14.
Chakrabarty, M., Nath, A.C., Khasnobis,
S., Chakrabarty, M., Konda, Y., Harigaya, Y. and Komiyama, K. (1997)
Carbazole alkaloids from Murraya koenigii. Phytochemistry, 46,
751-755.
15.
Chakrabarty, M., Batabyal, A.,
Morales-Rios, M.S., and Joseph-Nathan, P. (1995) NMR studies of
4(3H)-quinazolinones and 4(3H)-quinazolinethiones. Monatsh. Chem.,
126, 789-794.
16. Chakrabarty, M.,
Batabyal, A., Barua, A.K., and Patra, A. (1994) New ceramides from the
hypotensive extract of a sea anemone, Paracondylactis indicus.
J. Natural Products, 57, 393-395.
17.
Biswas, G.K., Nath, A.C., Mukherjee, B., Patra, A., and Chakrabarty, M
(1992) Attempted Diels-Alder reaction of
1-ethoxycarbonylindole-3-carboxaldehyde N,N-dimethylhydrazone.
Tetrahedron Letters, 33, 717-718.
18. Chakrabarty, M., and
Nath, A.C. (1992) A new clerodane-type butenolide diterpene from the bark of
Polyalthia longifolia. J. Nat. Prod., 55,
256-258.
19. Barua, A.K.,
Chakrabarty, M., Datta, P.K., and Ray, S. (1988) Phaseoloidin, a homogentisic
acid glucoside from Entada phaseoloides. Phytochemistry, 27,
3259-3261.
20. Chakrabarty, M.,
Chakravarty, A.K., and Pakrashi, S.C. (1983) Studies on 4-quinazolinones.
Part IX. Raney nickel desulfurization of 4-thioquinazolines:
alumina-catalyzed hydration of 1,4- and 3,4-dihydroquinazolines.
Heterocycles, 20, 445-450.
21. Chakrabarty, M.;
Ali, S.A.; P.G.; Jackson, A.H. (1981) Synthesis of uroporphyrin-III, and
related hepta- and pentacarboxylic porphyrins by modifications of the
MacDonald method. Heterocycles, 15, 1199-1204.
22. Chatterjee, A., Chakrabarty, M., Ghosh, A.,
Hagaman, E.W. and Wenkert, E. (1978) Carbon-13 NMR spectroscopy of naturally
occurring substances. LXII. Indole alkaloids of Rauwolfia reflexa.
The structures of rauflexine and reflexine. Tetrahedron Letters,
3879-82.
23. Banerji, A., and
Chakrabarty, M. (1977) Majvinine: a new indole alkaloid of Vinca
major. Phytochemistry, 16, 1124-1125.
24. Chatterjee, A.,
Ghosh, A.K., and Chakrabarty, M. (1976) Reflexine, a new indole alkaloid of
Rauwolfia reflexa. Experientia, 32, 1236.
25. Chatterjee, A.,
Chakrabarty, M., and Kundu, A.B. (1975) Constituents of Pleiospermium
alatum. Alatamide and N-benzoyltyramine methyl ether.
Australian J. Chemistry, 28, 457-460.
26. Banerji, A., and
Chakrabarty, M. (1974): “Lochvinerine, a new indole alkaloid of Vinca
major.” Phytochemistry, 13, 2309-2312.
27. Banerji, A.,
Chakrabarty, M., and Mukherjee, B. (1972) Minor indole alkaloids of
Alstonia macrophylla. Phytochemistry, 11, 2605-2607.
To see the list of full publications, click
here.
Supplementary Information
Contact
Tel. (O) : 91-33-2303 1149 Mobile : 9433516178
FAX : 91-33-2350 6790 E-mail :
chakmanas09@gmail.com
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