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Manas
Chakrabarty
Emeritus Scientist (CSIR)
(Formerly, Senior Professor)
PhD: University of Calcutta (1974) Emeritus
Scientist (CSIR)
List of publications
1.
Chakrabarty, Manas; Mukherji, Ajanta; Karmakar, Sulakshana; Mukherjee, Ratna;
Nagai, Kenichiro; Geronikaki, Athina; Eleni, Pitta, ARKIVOC, (xi),
265-290 (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”.
2.
Chakrabarty, Manas; Karmakar, Sulakshana; Mukherjee, Ratna; Arima, Shiho;
Harigaya, Yoshihiro, Monatsh. Chem., 140, 375-380 (2009): “A
Mild and Expedient One-pot Synthesis of Substituted Benzimidazoles in Water
using a Phase Transfer Catalyst”.
3.
Chakrabarty, Manas; Mukherjee, Ratna; Arima, Shiho; Harigaya, Yoshihiro,Heterocycles,
78, 139-149 (2009): “Reaction of isatins with active methylene
compounds on neutral alumina: formation of Knoevenagel condensates and other
interesting products”.
4. Chakrabarty, Manas; Mukherji, Ajanta; Arima, Shiho; Harigaya,
Yoshihiro, Pilet, Guillaume, Monatsh. Chem., 140,
189-197 (2009): “Expeditious reaction of ninhydrin with active methylene
compounds on montmorillonite K10 clay”.
5.
Chakrabarty, Manas; Kundu, Taraknath; Arima, Shiho; Harigaya,
Yoshihiro,Tetrahedron, 64, 6711-6723 (2008): “An expedient,
regioselective synthesis of novel 2-alkylamino- and 2-alkylthiothiazolo[5,4-e]-
and -[4,5-g]indazoles and their anticancer potential”.
6. Karmakar, Sulakshana; Chakrabarty, Manas, J. Indian Chem. Soc.,
85, 224-227 (2008): “Reaction of diethylmesoxalate with active
methylene compounds: an interesting outcome”.
7. Chakrabarty, Manas; Mukherji, Ajanta; Mukherjee, Ratna; Arima, Shiho;
Harigaya, Yoshihiro, Tetrahedron Lett., 48, 5239-5242
(2007): “A Keggin Heteropoly Acid as an Efficient Catalyst for an
Expeditious, One-pot Synthesis of 1-Methyl-2-(hetero)arylbenzimidazoles”.
8.
Chakrabarty, Manas; Karmakar, Sulakshana; Arima, Shiho; Harigaya, Yoshihiro,
Heterocycles, 73, 795-804 (2007): “One-pot Formation of
Functionalised 2-Piperidinones from Arylidenecyanoacetates
and Methanolic Ammonia via Tandem Reactions”.
9.
Chakrabarty, Manas; Mukherjee, Ratna; Karmakar, Sulakshana; Harigaya,
Yoshihiro, Monatsh. Chem., 138, 1279-1282 (2007): “Tosic
Acid-on-Silica Gel: A Cheap and Eco-friendly Catalyst for a Convenient
One-pot Synthesis of Substituted Benzimidazoles”.
10.
Dey,
Debarati; Bose, Adity; Chakrbarty, Manas; Basu, Samita, J. Phys. Chem. A,
111, 878-884 (2007): “Magnetic Field Effect on Photo-induced Electron
Transfer between Dibenzo[a,c]phenazine and Different Amines in
Acetonitrile-Water Mixture”.
11.
Chakrabarty, Manas; Mukherjee, Ratna; Chakrabarty, Manju; Arima, Shiho;
Harigaya, Yoshihiro, Lett. Org. Chem., 3, 868-871 (2006): “An
expeditious approach to Knoevenagel Condensation of Meldrum’s acid on
neutral alumina using microwave irradiation”.
12. Chakrabarty, Manas; Mukherjee, Ratna;
Mukherji, Ajanta; Arima, Shiho; Harigaya, Yoshihiro, Heterocycles,
68, 1659-1668 (2006): “Phosphoric acid-on-silica gel: A green catalyst
for the synthesis of symmetrical bis(indolyl)alkanes”.
13. Chakrabarty, Manas; Kundu, Taraknath; Harigaya, Yoshihiro, Synth.
Commun., 36, 2069-2077 (2006): “Mild deprotection of tert-butyl
carbamates of NH-heteroarenes under basic conditions”.
14. Chakrabarty, Manas; Karmakar, Sulakshana; Mukherji, Ajanta; Arima,
Shiho; Harigaya, Yoshihiro, Heterocycles, 68, 967-974 (2006):
“Application of sulfamic acid as an eco-friendly catalyst in an expedient
synthesis of benzimidazoles”.
15. Manas; Mukherji, Ajanta; Karmakar, Sulakshana; Arima, Shiho; Harigaya,
Yoshihiro,
Heterocycles, 68, 331-338 (2006): “A new catalytic application of
a Keggin acid in the synthesis of symmetrical
bis(indolyl)alkanes”.
16. Chakrabarty, Manas; Kundu, Taraknath; Arima, Shiho; Harigaya, Yoshihiro,
Tetrahedron Lett., 46, 2865-2868 (2005): “An expedient,
regioselective synthesis of 2-alkylamino- and 2-alkylthiothiazolo[5,4-e]indoles”.
17. Chakrabarty, Manas; Basak, Ramkrishna; Harigaya, Yoshihiro;
Takayanagi, Hiroaki,
Tetrahedron, 61, 1793-1801 (2005): “Reaction of
3/2-formylindoles with TOSMIC: Formation of indolyloxazoles and novel stable
indolyl primary enamines”.
18. Chakrabarty, Manas; Karmakar, Sulakshana; Harigaya, Yoshihiro,
Heterocycles, 65, 37-48 (2005): “First isolation of both
indolylcarbinols and diindolylalkanes from microwave-assisted acid (clay)-catalysed
reaction of indoles with diethyl ketomalonate”.
19.
Chakrabarty, Manas; Sarkar, Sandipan; Harigaya, Yoshihiro, J. Chem. Res.,
540-542 (2005): “A facile clay-mediated synthesis of
3,3-diindolyl-2-indolinones from isatins”.
20. Chakrabarty, Manas; Kundu, Taraknath; Harigaya, Yoshihiro, J. Chem.
Res., 778-780 (2004): “Clay-mediated reaction of indoles with
cyclohexane-1,3-diones: an expedient route to cyclohexenones”.
21. Chakrabarty, Manas; Ghosh, Nandita; Harigaya, Yoshihiro, Tetrahedron
Lett., 45, 4955-4957 (2004): “A clay-mediated, regioselective
synthesis of 2-(aryl/alkyl)amino-thiazolo[4,5-c]carbazoles.”
22. Chakrabarty, Manas; Sarkar, Sandipan; Linden, Anthony; Stein, Bridget
K., Synth. Commun., 34, 1801-1810 (2004): “First General
Solvent-Free Synthesis of Symmetrical Triindolylmethanes Using Acid-Washed
Montmorillonite Clay.”
23. Banerjee, Satarupa; Sarkar, Sandipan; Basak, Ramkrishna; Chakrabarty,
Manas, J. Indian Chem. Soc., 81, 169-170 (2004): “Conversion
of indoline-2-thione and oxindole to isatin - some new observations.”
24. Chatterjee, Suchandra; Basu, Samita; Ghosh, Nandita; Chakrabarty, Manas,
Chem. Phys. Lett., 388, 79-83 (2004): “Unique behavior of DMF
as solvent in fluorescence quenching
process.”
25. Chakrabarty, Manas; Ghosh, Nandita; Basak, Ramkrishna; Harigaya,
Yoshihiro, Synth. Commun., 34, 421-434 (2004): “A Facile and
Efficient Synthesis of 2,2-Bis(3'/2'-indolyl)ethylamines and Three
Bisindolic Natural Products.”
26. Chakrabarty, Manas; Basak, Ramkrishna; Ghosh, Nandita; Harigaya,
Yoshihiro, Tetrahedron, 60, 1941-1949 (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”.
27. Chakrabarty, Manas; Ghosh, Nandita; Harigaya, Yoshihiro, Heterocycles,
62, 779-786 (2004): “A novel, expedient synthesis of thiazolo[4,5-c]-
and -[5,4-b]carbazoles”.
28. Chatterjee, Suchandra; Choudhury, Sharmistha Dutta; Basu, Samita; Ghosh,
Nandita; Chakrabarty, Manas, Spectrochim. Acta, Part A, 60,
97-102 (2004): “Influence of steric factors on exciplex energy and magnetic
field effect”.
29. Chakrabarty, Manas; Sarkar, Sandipan; Harigaya, Yoshihiro, Synthesis,
2292- 2294 (2003): “An expedient synthesis of benzo[h]quinazolin-4(3H)-one:
Structure of samoquasine A
revisited”.
30. Chakrabarty, Manas; Sarkar, Sandipan, Tetrahedron Lett.,
44, 8131-8133 (2003): “A clay-mediated eco-friendly thiocyanation of
indoles and carbazoles”.
31. Chakrabarty, Manas; Basak, Ramkrishna; Harigaya, Yoshihiro,
Synthesis, 2011-2014 (2003): “Concise synthesis of coscinamide B, a
bisindolic enamide from marine sponge”
32. Chakrabarty, Manas; Sarkar, Sandipan; Basak, Ramkrishna, J. Chem.
Res. (S), 664-665 (2003): “Reaction of indole and alkylindoles with
ceric ammonium nitrate on silica gel”.
33. Chakrabarty, Manas; Sarkar, Sandipan; Khasnobis, Shampa; Harigaya,
Yoshihiro; Sato, Noriko; Arima, Shiho, Synth. Commun., 32,
2295-2306 (2002): “Study of the reactions of four indolic 1-azadienes with a
few enoic, ynoic, and azo dienophiles”.
34. Chakrabarty, Manas; Ghosh, Nandita; Basak, Ramkrishna; Harigaya,
Yoshihiro, Tetrahedron Lett., 43, 4075-4078 (2002): “Dry
reaction of indoles with carbonyl compounds on montmorillonite K10 clay: a
mild, expedient synthesis of diindolylalkanes and vibrindole
A”.
35. Chakrabarty, Manas; Ghosh, Nandita; Khasnobis, Shampa; Chakrabarty,
Manju, Synth. Commun., 32, 265-272 (2002): “DBU, a highly
efficient reagent for the facile regeneration of (hetero)arylamines from
their acetamides and benzamides: influence of solvent, temperature, and
microwave irradiation”.
36. Chakrabarty, Manas; Sarkar, Sandipan, Tetrahedron Lett., 43,
1351-1353 (2002): “Novel clay-mediated, tandem
addition-elimination-(Michael) addition reactions of indoles with
3-formylindole: an eco-friendly route to symmetrical and unsymmetrical
triindolylmethanes”.
37. Chakrabarty, Manas, J. Indian Chem. Soc., 78, 761-764
(2001): “Oxidative rearrangement of acetylporphyrins”.
38. Chakrabarty, Manas; Basak, Ramkrishna; Harigaya, Yoshihiro,
Heterocycles, 55, 2431-2447 (2001): “A sojourn in the synthesis
and bioactivity of diindolylalkanes”.
39. Chakrabarty, M.; Basak, R.; Ghosh, N., Tetrahedron Lett., 42,
3913-3915 (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”.
40. Banerji, J.; Saha, M.; Dutta, U.; Mukherjee, P.; Chakrabarty, M.;
Chatterjee, A.; Harigaya, Y.; Konda, Y.; Hatana, A., J. Indian Inst. Sci.,
81, 165-168 (2001): “Electrophilic substitution of indole. Part XIX.
Synthesis of 15-(1H-indol-3-yl)-1,11,13-trimethyl-12,
14-dioxa-9-azapentacyclo [11.3.1.111,15.02,10.03,8]octadeca-2
(10),3,5,7-tetraene from indole and acetylacetone”.
41. Chakrabarty M.; Datta G. K.; Ghosh S.; Debnath P. K., Indian J. Exp.
Biol., 39, 485-486 (2001): “Induction of antioxidative
enzyme by the ayurvedic herb Desmotrichum fimbriatum Bl. in mice.”
42. Chakrabarty, Manas; Batabyal, Archana; Khasnobis, Shampa, Synth.
Commun., 30, 3651-3668 (2000): “On attempted oxidative
cyclization of isomeric N,N'-diphenyl-phenylenediamines and
their N,N'-dimethyl derivatives by palladium(II) acetate and
UV
light.”
43. Chakrabarty, Manas; Khasnobis, Shampa; Harigaya, Yoshihiro; Konda, Yaeko,
Synth. Commun., 30, 187-200 (2000): “Neat formic acid:
an excellent N-formylating agent for carbazoles, 3-alkylindoles,
diphenylamine and moderately weak nucleophilic anilines.”
44. Chakrabarty, Manas; Batabyal, Archana; Patra, Amarendra, Indian J.
Chem., 38B, 387-389 (1999): “Two new abnormal by-products of
attempted Fischer-type bis-indolization of cyclohexane-1,3-dione and
dimedone.”
45.
Chakrabarty, Manas; Ghosh, Subho; Sengupta, Santasri; Ghosh, Asok,
Biogenic Amines, 14, 607-614 (1998): “Interplay of adrenal
catecholamines and phospholipids during water-deprivation stress in mice.”
46. Chakrabarty, Manas; Batabyal, Archana; Patra, Amarendra, Indian J.
Chem., 37B, 1104-1108 (1998): “Application of phosphorous
trichloride in attempted bis-indolization of cyclohexanediones and dimedone.”
47. Chattopadhyay, Gautam; Saha, T. K.; Chakrabarty, Manas, Indian J.
Chem., 37B, 861-864 (1998): “New reactions of
oximinocyano-acetamides with benzylamine: a one-pot entry into isoxazole
nucleus.”
48. Chakrabarty, Manas; Khasnobis, Shampa, Synth. Commun., 28,
1361-1368 (1998): “Ethanolic or aqueous formic acid (1:1) - a new efficient
reagent for the regeneration of ketones from phenylhydrazones.”
49. Chakrabarty, Manas; Nath, Amar C.; Khasnobis, Shampa; Chakrabarty, Manju;
Konda, Yaeko; Harigaya, Yoshihiro; Komiyama, Kanki, Phytochemistry,
46, 751-755 (1997): “Carbazole alkaloids from Murraya koenigii.”
50. Chakrabarty, M.; Khasnobis, S, J. Indian Chem. Soc., 74,
917-925 (1997): “A brief survey of the synthesis and bioactivity of
pyrrolocarbazoles, an emerging class of condensed heterocycles.”
51. Chakrabarty, Manas; Batabyal, Archana, Synth. Commun., 26,
3015-3023 (1996): “An expedient synthesis of
5,11-dimethylindolo[3,2-b]carbazole, a potent ligand and the receptor for
TCDD.”
52. Chakrabarty, Manas; Batabyal, Archana; Patra, Amarendra, J. Chem.
Res. (S), 190-191 (1996): “Reaction of
1,8-diazabicyclo[5.4.0]undec-7-ene with ethyl 3-bromopropanoate: an easy
access to a caprolactam derivative.”
53. Chakrabarty, M.; Batabyal, A.; Morales-Rios, M. S.; Joseph-Nathan, P.,
Monatsh. Chem., 126, 789-794 (1995): “NMR studies of
4(3H)-quinazolinones and 4(3H)-quinazolinethiones.”
54. Chakrabarty, Manas; Batabyal, Archana; Barua, Arun K.; Patra, Amarendra,
J. Nat. Prod., 57, 393-395 (1994): “New ceramides from the
hypotensive extract of a sea anemone, Paracondylactis indicus.”
55. Chakrabarty, Manas; Batabyal, Archana, Synth. Commun., 24,
1-10 (1994): “A new method of nitration of carbazoles using ceric ammonium
nitrate (CAN).”
56. Biswas, G. K.; Nath, A. C.; Mukherjee, B.; Patra, A.; Chakrabarty, M.,
Tetrahedron Lett., 33, 717-718 (1992): “Attempted Diels-Alder
reaction of 1-ethoxy-carbonylindole-3-carboxaldehyde N,N-dimethylhydrazone.”
57. Chakrabarty, Manas; Batabyal, Archana; Patra, Amarendra, Indian J.
Chem., 31B, 199-201 (1992): “Indolization of cyclohexanone
phenylhydrazones using phosphorous trichloride.”
58. Chakrabarty, Manas; Nath, Amar C., J. Nat. Prod., 55,
256-258 (1992): “A new clerodane-type butenolide diterpene from the bark of
Polyalthia longifolia.”
59. Biswas, Goutam K.; Chakrabarty, Manas; Bhattacharyya, Prantosh,
Indian J. Chem., 30B, 1059 (1991): “Efficient synthesis of
sulfones using polysorbate-80 as phase transfer catalyst.”
60. Chattopadhyay, G.; Chakrabarty, M., Indian J. Chem., 29B,
1-2 (1990): “An unusual imidazole-to-pyrazine transformation.”
61. Chakrabarty, Manas; Patra, Amarendra, Indian J. Chem., 29B,
394-395 (1990): “6,7-Dimethoxyonychine and other alkaloids of Polyalthia
longifolia.”
62. Chakrabarty, M.; Pakrashi, S. C., Indian J. Chem., 28B,
285-286 (1989): “Unusual one-pot formation of a phenylketene trimer ester.”
63. Barua, Arun K.; Chakrabarty, Manas; Datta, Pran K.; Ray, Sarmila,
Phytochem., 27, 3259-3261 (1988): “Phaseoloidin, a homogentisic
acid glucoside from Entada phaseoloides.”
64. Mukherjee, S.; Dutta, P. K.; Chakrabarty, M.; Barua, A. K.; Dan, S.,
Mrs.; Dan, S. S., J. Indian Chem. Soc., 63, 782-783 (1986):
“Triterpenes from Hoya parasitica.”
65. Chakrabarty, Manas; Chakravarty, Ajit K.; Pakrashi, Satyesh, C.,
Heterocycles, 20, 445-450 (1983): “Studies on 4-quinazolinones.
Part IX. Raney nickel desulfurization of 4-thioquinazolines:
alumina-catalyzed hydration of 1,4- and 3,4-dihydroquinazolines.”
66. Chakrabarty, M.; Ali, S. A.; Philip, G.; Jackson, A. H., Heterocycles,
15, 1199-1204 (1981): “Synthesis of uroporphyrin-III, and related
hepta- and pentacarboxylic porphyrins by modifications of the MacDonald
method.”
67. Chatterjee, Asima; Chakrabarty, Manas; Ghosh, Ashim Kumar; Hagaman,
Edward W.; Wenkert, Ernest, Tetrahedron Lett., 3879-82 (1978):
“Carbon-13 NMR spectroscopy of naturally occurring substances. LXII.
Indole alkaloids of Rauwolfia reflexa. The structures of rauflexine
and reflexine.”
68. Banerji, Avijit; Chakrabarty, Manas, Phytochemistry, 16,
1124-1125 (1977): “Majvinine: a new indole alkaloid of Vinca
major.”
69. Chatterjee, Mrs. A.; Chakrabarty, M.; Ghosh, A. K., Indian J. Chem.,
15B, 564-565 (1977): “Trimethylellagic acid from Euphorbia
tirucalli Linn.”
70. Chatterjee, Asima; Ghosh, A. K.; Chakrabarty, M., Experientia,
32, 1236 (1976): “Reflexine, a new indole alkaloid of Rauwolfia
reflexa.”
71. Chatterjee, Asima; Chakrabarty, Manas; Kundu, Amit B., Australian J.
Chem., 28, 457-460 (1975): “Constituents of Pleiospermium
alatum. Alatamide and N-benzoyltyramine methyl ether.”
72. Kundu, A. B.; Chakrabarty, M., Chem. & Ind. (London), 433-434
(1975): “N-Homoveratroylhomoveratrylamine in the leaves of
Pleiospermium alatum Swingle.”
73. Chatterjee, A.; Banerji, A.; Chakrabarty, M., Planta Med., 28,
109-111 (1975): “Monoterpenoid alkaloid from Vinca major.”
74. Banerji, A.; Chakrabarty, M., Phytochemistry, 13,
2309-2312 (1974): “Lochvinerine, a new indole alkaloid of Vinca
major.”
75. Banerji, A.; Chakrabarty, M., Indian J. Chem., 11, 706-707
(1973): “Isolation of quebrachidine from Alstonia macrophylla.”
76. Banerji, A.; Chakrabarty, M.; Mukherjee, B., Phytochemistry,
11, 2605-2607 (1972): “Minor indole alkaloids of Alstonia
macrophylla.”
Contact
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FAX : 91-33-2350 6790 E-mail :
chakmanas09@gmail.com
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