Chakravarty, Ajit K.: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

Bipolar Disorder Course and Outcome Study from India (BiD-CoIN study): Sample Description & Methods

Grover, Sandeep, Avasthi, Ajit, Chakravarty, Rahul, Dan, Amitava, Chakraborty, Kaustav, Neogi, Rajarshi, Desouza, Avinash, Nayak, Omkar, Praharaj, Samir, Menon, Vikas, Deep, Raman, Bathla, Manish, Sub

Journal:

Journal of Affective Disorders

Year:

2021

File:

PDF, 243 KB

2021

2

Steroidal saponins from the fruits of Asparagus racemosus

Debayan Mandal, Sukdeb Banerjee, Nirup B. Mondal, Ajit K. Chakravarty, Niranjan P. Sahu

Journal:

Year:

2006

Language:

english

File:

PDF, 129 KB

english, 2006

3

ChemInform Abstract: Ellagic Acid Derivatives from the Leaves of Eugenia jambos Linn.

Ajit Kumar Chakravarty, Binayak Das, Tapas Sarkar, Kazuo Masuda, Kenji Shiojima

Journal:

Year:

1999

File:

PDF, 28 KB

1999

4

ChemInform Abstract: Carbazole Alkaloids from Roots of Glycosmis arborea.

Ajit Kumar Chakravarty, Tapas Sarkar, Kazuo Masuda, Kenji Shiojima

Journal:

Year:

1999

File:

PDF, 25 KB

1999

5

ChemInform Abstract: Bacopasaponins E and F: Two Jujubogenin Bisdesmosides from Bacopa monniera.

Shashi B. Mahato, Saraswati Garai, Ajit K. Chakravarty

Journal:

Year:

2000

File:

PDF, 24 KB

2000

6

ChemInform Abstract: A New Chiratane Triterpenoid from Swertia chirata

Ajit K. Chakravarty, Tapas Sarkar, Binayak Das, Kazuo Masuda, Kenji Shiojima

Journal:

Year:

2001

File:

PDF, 24 KB

2001

7

ChemInform Abstract: Structure and Synthesis of Glycoborine, a New Carbazole Alkaloid from the Roots of Glycosmis arborea: A Note on the Structure of Glycozolicine.

Ajit Kumar Chakravarty, Tapas Sarkar, Kazuo Masuda, Tesuya Takey, Hirohisa Doi, Eiichi Kotani, Kenji Shiojima

Journal:

Year:

2001

File:

PDF, 27 KB

2001

8

ChemInform Abstract: Bacopaside I and II: Two Pseudojujubogenin Glycosides from Bacopa monniera.

Ajit K. Chakravarty, Tapas Sarkar, Kazuo Masuda, Kenji Shiojima, Takahisa Nakane, Nobuo Kawahara

Journal:

Year:

2002

File:

PDF, 23 KB

2002

9

Benzopyrans. Part 45. Reactions of Monobrominated 3-Acetyl-2-methyl-1-benzopyran-4-one with Some Binucleophiles.

Chandra Kanta Ghosh, Chandreyi Ghosh, Sumit Kumar Karak, Ajit Kumar Chakravarty

Journal:

Year:

2004

File:

PDF, 105 KB

2004

10

Benzopyrans. Part 46. Reactions of 3-Benzoyl-2-bromomethyl-1-benzopyran-4-one with Some Bisnucleophiles.

Chandra Kanta Ghosh, Sumit Kumar Karak, Ajit Kumar Chakravarty

Journal:

Year:

2005

File:

PDF, 16 KB

2005

11

Carbon-13 NMR spectra of some phenanthrene derivatives from Aristolochia indica and their analogues

Basudeb Achari, Soumitra Bandyopadhyay, Ajit K. Chakravarty, Satyesh C. Pakrashi

Journal:

Magnetic Resonance in Chemistry

Year:

1984

Language:

english

File:

PDF, 486 KB

english, 1984

12

New spirostane saponins and sapogenins from Solanum hispidum seeds

Ajit K. Chakravarty, Chitta R. Saha, Satyesh C. Pakrashi

Journal:

Year:

1979

Language:

english

File:

PDF, 130 KB

english, 1979

13

Solanolide, a steroid lactone sapogenin from Solanum hispidum

Ajit K. Chakravarty, Binayak Das, Satyesh C. Pakrashi

Journal:

Year:

1982

Language:

english

File:

PDF, 195 KB

english, 1982

14

7β-Hydroxy-O-methylsolanocapsine, a new 3-amino steroidal alkaloid from Solanum capsicastrum

Ajit K. Chakravarty, Satyesh C. Parashi

Journal:

Year:

1988

Language:

english

File:

PDF, 229 KB

english, 1988

15

Swertane triterpenoids from Swertia chirata

Ajit Kumar Chakravarty, Sibabrata Mukhopadhyay, Binayak Das

Journal:

Year:

1991

Language:

english

File:

PDF, 617 KB

english, 1991

16

Three flavone glycosides from Gelonium multiflorum

Binayak Das, Ajit K. Chakravarty

Journal:

Year:

1993

Language:

english

File:

PDF, 396 KB

english, 1993

17

A neolignan and sterols in fruits of Solanum sisymbrifolium

Ajit Kumar Chakravarty, Sibabrata Mukhopadhyay, Subrata Saha, Satyesh Chandra Pakrashi

Journal:

Year:

1996

Language:

english

File:

PDF, 330 KB

english, 1996

18

Tetracyclic triterpenoids from Glycosmis arborea

Ajit K. Chakravarty, Binayak Das, Kazuo Masuda, Hiroyuki Ageta

Journal:

Year:

1996

Language:

english

File:

PDF, 295 KB

english, 1996

19

Studies on indian medicinal plants-XLIV: Solanoforthine, a new steroidal alkaloid from solanum seaforthianum. a note on the mass spectrum of solanocapsine

Esahak Ali, Ajit K. Chakravarty, Satyesh C. Pakrashi, Klaus Biemann, Charles E. Hignite

Journal:

Year:

1977

Language:

english

File:

PDF, 486 KB

english, 1977

20

Simple aromatic amines from justicia gendarussa. 13C NMR spectra of the bases and their analogues

Ajit Kumar Chakravarty, Partha Pratim Ghosh Dastidar, Satyesh Chandra Pakrashi

Journal:

Year:

1982

Language:

english

File:

PDF, 401 KB

english, 1982

21

Triterpenoid prosaponins from leaves of Maesa chisia var. angustifolia

Ajit K. Chakravarty, Binayak Das, Satyesh C. Pakrashi

Journal:

Year:

1987

Language:

english

File:

PDF, 469 KB

english, 1987

22

A diterpenoid from roots of Gelonium multiflorum

Binayak Das, Ajit Kumar Chakravarty, Kazuo Masuda, Hideki Suzuki, Hiroyuki Ageta

Journal:

Year:

1994

Language:

english

File:

PDF, 294 KB

english, 1994

23

Juripidine, a 3-amino steroidal alkaloid from roots of Solanum hispidum

Ajit K. Chakravarty, Binayak Das, Satyesh C. Pakrashi

Journal:

Year:

1983

Language:

english

File:

PDF, 306 KB

english, 1983

24

Bacopaside I and II: two pseudojujubogenin glycosides from Bacopa monniera

Ajit K Chakravarty, Tapas Sarkar, Kazuo Masuda, Kenji Shiojima, Takahisa Nakane, Nobuo Kawahara

Journal:

Year:

2001

Language:

english

File:

PDF, 88 KB

english, 2001

25

Corrigendum to “Bacopaside I and II: two pseudojujubogenin glycosides from Bacopa monniera” [Phytochemistry 58 (2001) 553–556]

Ajit K Chakravarty, Tapas Sarkar, Kazuo Masuda, Kenji Shiojima, Takahisa Nakane, Nobuo Kawahara

Journal:

Year:

2002

File:

PDF, 50 KB

2002

26

Carbazole alkaloids from roots of Glycosmis arborea

Ajit Kumar Chakravarty, Tapas Sarkar, Kazuo Masuda, Kenji Shiojima

Journal:

Year:

1999

Language:

english

File:

PDF, 241 KB

english, 1999

27

Bacopasaponins E and F: two jujubogenin bisdesmosides from Bacopa monniera

Shashi B. Mahato, Saraswati Garai, Ajit K. Chakravarty

Journal:

Year:

2000

Language:

english

File:

PDF, 122 KB

english, 2000

28

Unambiguous assignment of 13C chemical shifts of some hopane and migrated hopane derivatives by 2D NMR

Ajit K. Chakravarty, Kazuo Masuda, Hideki Suzuki, Hiroyuki Ageta

Journal:

Year:

1994

Language:

english

File:

PDF, 696 KB

english, 1994

29

Studies on indian medicinal plants-part LXXV: Nishindaside, a novel iridoid glycoside from vitex negundo

Pradeep K. Dutta, Uday S. Chowdhury, Ajit K. Chakravarty, Basudeb Achari, Satyesh C. Pakrashi

Journal:

Year:

1983

Language:

english

File:

PDF, 467 KB

english, 1983

30

Peracid oxidation products of swertanone, the novel triterpene of Swertia chirata

Ajit Kumar Chakravarty, Binayak Das, Sibabrata Mukhopadhyay

Journal:

Year:

1991

Language:

english

File:

PDF, 951 KB

english, 1991

31

Peracid induced oxidative rearrangements of triterpenoids: Products of new skeleton from bauerenyl acetate

Ajit Kumar Chakravarty, Binayak Das, Kazuo Masuda, Yoko Arai, Kenji Shiojima

Journal:

Year:

1998

Language:

english

File:

PDF, 736 KB

english, 1998

32

Chiratenol, a novel rearranged hopane triterpenoid fromswertia chirata

Ajit Kumar Chakravarty, Binayaku Das, Kazuo Masuda, Hiroyuki Ageta

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 202 KB

english, 1990

33

Solanogantine, a novel 3-amino-22βH-solanidane from solanum goganteum

Satyesh C. Pakrashi, Ajit K. Chakravarty, Esahak Ali

Journal:

Tetrahedron Letters

Year:

1977

Language:

english

File:

PDF, 197 KB

english, 1977

34

Solaseaforthine and isosolaseaforthine, two novel 3-amino-20-pyridyl pregnanes from solanum seaforthianum

Esahak Ali, Ajit K. Chakravarty, Tarun K. Dhar, Satyesh C. Pakrashi

Journal:

Tetrahedron Letters

Year:

1978

Language:

english

File:

PDF, 256 KB

english, 1978

35

Hispigenin, a novel 22β0-spirostane from solanum hispidum

Ajit K. Chakravarty, Tarun K. Dhar, Satyesh O. Pakrashi

Journal:

Tetrahedron Letters

Year:

1978

Language:

english

File:

PDF, 313 KB

english, 1978

36

Solaspigenin and neosolaspigenin, two new spirostane sapogenins from Solanum hispidum

Ajit K. Chakravarty, Tarun K. Dhar, Satyesh C. Pakrashi

Journal:

Year:

1980

Language:

english

File:

PDF, 266 KB

english, 1980

37

Kairatenol, yet another novel migrated gammacerane triterpenoid from swertia chirata

Ajit K. Chakravarty, Sibabrata Mukhopadhyay, Kazuo Masuda, Hiroyuki Ageta

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 123 KB

english, 1992

38

Carbanion addition to acetylenes : An efficient stereoselective route to α-methylene-γ-lactams

Ranjan Patra, Swaraj B. Maiti, Amareshwar Chatterjee, Ajit K. Chakravarty

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 215 KB

english, 1991

39

Solanocastrine, a unique 16,23-cyclo-22,26-epiminocholestane from solanum capsicastrum

Ajit K. Chakravarty, Satyesh C. Pakrashi

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 245 KB

english, 1987

40

Iodoacetylated ouabagenins: Their syntheses, spectroscopic characterizations, and stability studies

Mita Chatterjee, Ajit K. Chakravarty, Shantanu Ganguly, Bharat R. Sarkar, Somenath Banerjee

Journal:

Year:

1995

Language:

english

File:

PDF, 754 KB

english, 1995

41

Vortex production in a first-order phase transition at finite temperature

Sumantra Chakravarty, Ajit Mohan Srivastava

Journal:

Nuclear Physics B

Year:

1993

Language:

english

File:

PDF, 833 KB

english, 1993

42

Amarogentin, a Naturally Occurring Secoiridoid Glycoside and a Newly Recognized Inhibitor of Topoisomerase I from Leishmania donovani

Ray, Sutapa, Majumder, Hemanta K., Chakravarty, Ajit K., Mukhopadhyay, Sibabrata, Gil, Roberto R., Cordell, Geoffrey A.

Journal:

Journal of Natural Products

Year:

1996

Language:

english

File:

PDF, 1.29 MB

english, 1996

43

Studies on 4-quinazolinones. 8. Studies on Indian medicinal plants. XXXVII. Mechanism of chromic acid oxidation of arborine

Pakrashi, Satyesh C., Chattopadhyay, Subhagata., Chakravarty, Ajit K.

Journal:

Journal of Organic Chemistry

Year:

1976

Language:

english

File:

PDF, 455 KB

english, 1976

44

Modelling 13C substituent chemical shifts in 3-aryl-2-cyanoacrylamides. An application of the dual-substituent parameter non-linear resonance (DSP-NLR) method

Bhattacharyya, Sankar P., De, Asish, Chakravarty, Ajit K., Brunskill, John S. A., Ewing, David F.

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1985

Language:

english

File:

PDF, 697 KB

english, 1985

45

X-Ray crystal structure of swertanone, a triterpene of new skeletal type from Swertia chirata Buch.-Ham.

Chakravarty, Ajit K., Das, Binayak, Pakrashi, Satyesh C., McPhail, Donald R., McPhail, Andrew T.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1989

Language:

english

File:

PDF, 270 KB

english, 1989

46

Studies on Indian medicinal plants. Part 77. Structure and stereochemistry of some new steroidal alkaloids from Solanum pseudocapsicum and Solanum giganteum by nuclear magnetic resonance spectroscopy

Chakravarty, Ajit K., Das, Binayak, Ali, Esahak, Pakrashi, Satyesh C.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1984

Language:

english

File:

PDF, 959 KB

english, 1984

47

Debenzylation of 2-benzyl-3-methyl-4-quinazolinone with sodium borohydride

Pakrashi, S. C., Chakravarti, Ajit K.

Journal:

Journal of the Chemical Society D Chemical Communications

Year:

1969

Language:

english

File:

PDF, 100 KB

english, 1969

48

Role of remote heteroatoms and nature of the reducing agents on the stereochemical course of reductions of the carbon?nitrogen ?-bond of a new class of tetrahydropyridines

Maiti, Swaraj B., Raychaudhuri, Swadesh R., Chatterjee, Amareshwar, Chakravarty, Ajit K.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1988

Language:

english

File:

PDF, 1.49 MB

english, 1988

49

Further application of dual substituent parameter and dual substituent parameter?non-linear resonance methods in modelling 13C substituent chemical shifts in ?-substituted styrenes

Datta, Sumana, De, Asish, Bhattacharyya, Sankar Prasad, Medhi, Chitrani, Chakravarty, Ajit Kumar, Brunskill, John S. A., Fadoujou, Solomon, Fish, Kenneth

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1988

Language:

english

File:

PDF, 848 KB

english, 1988

50

13 C nuclear magnetic resonance spectra of 23-hydroxy spirostane sapogenins of Solanum hispidum

Chakravarty, Ajit K., Pakrashi, Satyesh C., Uzawa, Jun

Journal:

Canadian Journal of Chemistry

Year:

1981

Language:

english

File:

PDF, 171 KB

english, 1981

To build up a library is to create a life. It’s never just a random collection of books.

— Carlos María Domínguez

Official channel

Z-Library Desktop Launcher

Z-Library Since 2009 support@z-lib.do

EnglishРусскийEspañolItalianoελληνικάاللغة العربيةBahasa IndonesiaBahasa Malaysiaहिन्दीDeutschFrançaisPortuguêsУкраїнськаPolski中文繁體中文日本語Tiếng ViệtAzərbaycan DiliՀայոց լեզուภาษาไทยTürk Diliქართველიবাংলাپښتوతెలుగుاردو한국어SrpskiБългарски