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1

Total synthesis of alboatrin, a phytotoxic metabolite from Verticillium alboatrum

Bidyut Biswas, Debayan Sarkar, Ramanathapuram V. Venkateswaran

Journal:

Year:

2008

Language:

english

File:

PDF, 197 KB

english, 2008

2

Synthesis of Neolignans from Anaxagorea clavata.

Gautam Pal, Ramanathapuram V. Venkateswaran

Journal:

Year:

2003

File:

PDF, 102 KB

2003

3

Synthesis of O-methyl epi-heliannuol E

Subir Kumar Sabui, Ramanathapuram V Venkateswaran

Journal:

Year:

2003

Language:

english

File:

PDF, 202 KB

english, 2003

4

Expeditious synthesis of helianane and C-10 halogenated heliananes employing ring-closing metathesis

Subir Sabui, Subrata Ghosh, Debayan Sarkar, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

2009

Language:

english

File:

PDF, 198 KB

english, 2009

5

Rearrangement of ?-hydroxycyclobutanes. A facile route towards the carbocyclic skeleton of aplysin via an incipient trichothecane-like cationic intermediate

Sengupta, Dipanjan, Venkateswaran, Ramanathapuram V.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1986

Language:

english

File:

PDF, 161 KB

english, 1986

6

The synthesis of heliannuol C, an allelochemical from Helianthus annuus

Bidyut Biswas, Prabir K. Sen, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

2006

Language:

english

File:

PDF, 98 KB

english, 2006

7

Synthesis of O-Methyl epi-Heliannuol E (I).

Subir Kumar Sabui, Ramanathapuram V. Venkateswaran

Journal:

Year:

2004

File:

PDF, 55 KB

2004

8

ChemInform Abstract: Haller—Bauer Type Cleavage of Cyclobutabenzofuranones.

Asmita Mittra, Dipal Ranjan Bhowmik, Ramanathapuram V. Venkateswaran

Journal:

Year:

1999

File:

PDF, 29 KB

1999

9

ChemInform Abstract: Expeditious Synthesis of Helianane (IV) and C-10 Halogenated Heliananes (V) Employing Ring-Closing Metathesis.

Subir Sabui, Subrata Ghosh, Debayan Sarkar, Ramanathapuram V. Venkateswaran

Journal:

Year:

2009

File:

PDF, 28 KB

2009

10

A biomimetic type expedient approach to the tricyclic core of xyloketals. Application to a short, stereocontrolled synthesis of alboatrin and a remarkable epi to natural isomerisation

Debayan Sarkar, Subrata Ghosh, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

2009

Language:

english

File:

PDF, 304 KB

english, 2009

11

ChemInform Abstract: Diverse Reactivities of Corey—Chaykovsky Ylides: Synthesis of 10-Hydroxyaplysin.

Amalesh Roy, Ramanathapuram V. Venkateswaran

Journal:

Year:

2012

File:

PDF, 28 KB

2012

12

A facile route to the benzooxabicyclo[3.2.1]octane (2,3,4,5-tetrahydro-2,5-methano-1-benzoxepine) system: application to a short synthesis of filiformin

Nath, Asok, Venkateswaran, Ramanathapuram V.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1993

Language:

english

File:

PDF, 210 KB

english, 1993

13

Synthetic studies on terpenoids. Part 21. Synthesis of a few perhydro-phenanthrene derivatives related to cheilanthatriol and its degradation products

Venkateswaran, Ramanathapuram V., Mukherjee, Debabrata, Dutta, Phanindra Chandra

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1981

Language:

english

File:

PDF, 586 KB

english, 1981

14

A formal synthesis of (±) parvifoline by manganese(III)-based oxidative arylation of ketones

Dipal Ranjan Bhowmik, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 132 KB

english, 1999

15

Haller−Bauer-Type Cleavage of Cyclobutabenzofuranones

Mittra, Asmita, Bhowmik, Dipal Ranjan, Venkateswaran, Ramanathapuram V.

Journal:

Journal of Organic Chemistry

Year:

1998

Language:

english

File:

PDF, 45 KB

english, 1998

16

Photolytic ring expansion of cyclobutabenzofuranones. Facile route to benzodioxabicyclo[3.3.0]octanes

Mittra, Asmita, Biswas, Sujay, Venkateswaran, Ramanathapuram V.

Journal:

Journal of Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 408 KB

english, 1993

17

Total synthesis of heliannuol B, an allelochemical from Helianthus annuus

Amalesh Roy, Bidyut Biswas, Prabir K. Sen, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

2007

Language:

english

File:

PDF, 126 KB

english, 2007

18

A Facile, Expeditious Route to the Benzooxabicyclo[3.2.1]octane System. Application to a Short, High-Yield Synthesis of Filiformin

Nath, Asok, Mal, Jayati, Venkateswaran, Ramanathapuram V.

Journal:

Journal of Organic Chemistry

Year:

1996

Language:

english

File:

PDF, 200 KB

english, 1996

19

ChemInform Abstract: Formal Syntheses of Heliannuols A and D, Allelochemicals from Helianthus annus.

Kazi Tuhina, Dipal R. Bhowmik, Ramanathapuram V. Venkateswaran

Journal:

Year:

2002

File:

PDF, 33 KB

2002

20

Facile Aromatic Claisen Rearrangement Catalysed by Tin(IV) Chloride

Sarkar, Debayan, Venkateswaran, Ramanathapuram

Journal:

Year:

2008

Language:

english

File:

PDF, 127 KB

english, 2008

21

Synthesis of neolignans from Anaxagorea clavata

Pal, Gautam, Venkateswaran, Ramanathapuram V.

Journal:

Journal of Chemical Research

Year:

2003

Language:

english

File:

PDF, 55 KB

english, 2003

22

Corrigendum to “Total synthesis of alboatrin, a phytotoxic metabolite from Verticillium alboatrum” [Tetrahedron 64(14) (2008) 3212–3216]

Bidyut Biswas, Debayan Sarkar, Ramanathapuram V. Venkateswaran

Journal:

Year:

2008

Language:

english

File:

PDF, 69 KB

english, 2008

23

Synthesis of heliannuols A and K, allelochemicals from cultivar sunflowers and the marine metabolite helianane, unusual sesquiterpenes containing a benzoxocane ring system

Subrata Ghosh, Kazi Tuhina, Dipal R. Bhowmik, Ramanathapuram V. Venkateswaran

Journal:

Year:

2007

Language:

english

File:

PDF, 323 KB

english, 2007

24

A short, rapid synthesis of heliannuol D, an allelochemical from Helianthus annus employing ring-closing metathesis

Subir K. Sabui, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 239 KB

english, 2004

25

Synthesis of Helianane (V), an Unusual Marine Sesquiterpene Employing Ring-Expansion by Flash Vacuum Thermolysis.

Subir K. Sabui, Ramanathapuram V. Venkateswaran

Journal:

Year:

2005

File:

PDF, 14 KB

2005

26

Bargellini condensation of coumarins. Expeditious route to o-carboxyvinylphenoxyisobutyric acids and application to the synthesis of sesquiterpenes helianane, heliannuol A and heliannuol C

Bidyut Biswas, Prabir K. Sen, Ramanathapuram V. Venkateswaran

Journal:

Year:

2007

Language:

english

File:

PDF, 406 KB

english, 2007

27

Facile Transfer Hydrogenation of Chromones.

Subir Kumar Sabui, Pranab Mondal, Ramanathapuram V. Venkateswaran

Journal:

Year:

2003

File:

PDF, 106 KB

2003

28

A Short, Rapid Synthesis and Heliannuol D, an Allelochemical from Helianthus annus Employing Ring-Closing Metathesis.

Subir K. Sabui, Ramanathapuram V. Venkateswaran

Journal:

Year:

2004

File:

PDF, 58 KB

2004

29

Unusual Rearrangement of Some Cyclobutachromanols. Facile Formation of Benzo-1,3-dioxane Ring System of Averufin

Mal, Jayati, Nath, Asok, Venkateswaran, Ramanathapuram V.

Journal:

Journal of Organic Chemistry

Year:

1996

Language:

english

File:

PDF, 151 KB

english, 1996

30

Lewis Acid-catalysed Facile Elimination of the Diazo Group in 3-Diazochromanones. Novel Conversion of Chromanones into Chromones

Mandal, Pranab, Venkateswaran, Ramanathapuram V.

Journal:

Journal of Chemical Research

Year:

1998

Language:

english

File:

PDF, 100 KB

english, 1998

31

Radical induced fragmentation in a benzoxocane ring system: application to the synthesis of elvirol and a formal synthesis of 7,8-dihydroxycalamenene

Amalesh Roy, Kazi Tuhina, Bidyut Biswas, Ramanathapuram V. Venkateswaran

Journal:

Year:

2012

Language:

english

File:

PDF, 396 KB

english, 2012

32

Biomimetic type approach to the tricyclic core of xyloketals. Application to a short, stereocontrolled synthesis of alboatrin and first synthesis of xyloketal G

Debayan Sarkar, Ramanathapuram V. Venkateswaran

Journal:

Year:

2011

Language:

english

File:

PDF, 666 KB

english, 2011

33

Facile transfer hydrogenation of chromones

Sabui, Subir Kumar, Mondal, Pranab, Venkateswaran, Ramanathapuram V.

Journal:

Journal of Chemical Research

Year:

2002

Language:

english

File:

PDF, 109 KB

english, 2002

34

Synthesis of Heliannuol D, an Allelochemical from Helianthus annus.

Subir K. Sabui, Ramanathapuram V. Venkateswaran

Journal:

Year:

2004

File:

PDF, 93 KB

2004

35

Rapid, high-yield synthesis of the marine sesquiterpenes debromoaplysin and aplysin via the acid-catalyzed rearrangement of a cyclobutachromanol

Nath, Asok, Ghosh, Arun, Venkateswaran, Ramanathapuram V.

Journal:

Journal of Organic Chemistry

Year:

1992

Language:

english

File:

PDF, 872 KB

english, 1992

36

Convenient Synthesis of an A-Ring Aromatic Trichothecene Analog

Mal, Jayati, Venkateswaran, Ramanathapuram V.

Journal:

Journal of Organic Chemistry

Year:

1998

Language:

english

File:

PDF, 97 KB

english, 1998

37

Photolysis of cis-tetrahydrobenzopyran-2-ones. Intramolecular cycloaddition and a photo-ene reaction

Ahmad, Zafeer, Ray, Uttam Kumar, Venkateswaran, Ramanathapuram V.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1990

Language:

english

File:

PDF, 124 KB

english, 1990

38

Synthesis of helianane, an unusual marine sesquiterpene employing ring-expansion by flash vacuum thermolysis

Subir K. Sabui, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 252 KB

english, 2004

39

Synthesis of bruguierol A employing ring closing metathesis

Debayan Sarkar, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 273 KB

english, 2011

40

Stereocontrolled synthesis of (�)-debromoaplysin and (�)-aplysin

Ghosh, Arun, Biswas, Sujay, Venkateswaran, Ramanathapuram V.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1988

Language:

english

File:

PDF, 146 KB

english, 1988

41

ChemInform Abstract: A Formal Synthesis of (.+-.)-Parvifoline by Manganese(III)-Based Oxidative Arylation of Ketones.

Dipal Ranjan Bhowmik, Ramanathapuram V. Venkateswaran

Journal:

Year:

2000

File:

PDF, 30 KB

2000

42

Synthesis of heliannuol D, an allelochemical from Helianthus annus

Subir K. Sabui, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 250 KB

english, 2004

43

Stereocontrolled synthesis of (.+-.)-debromoaplysin, (.+-.)-aplysin, (.+-.)-debromoaplysinol, (.+-.)-aplysinol, and (.+-.)-isoaplysin

Biswas, Sujay, Ghosh, Arun, Venkateswaran, Ramanathapuram V.

Journal:

Journal of Organic Chemistry

Year:

1990

Language:

english

File:

PDF, 697 KB

english, 1990

44

Diverse Reactivities of Corey–Chaykovsky Ylides: Synthesis of 10-Hydroxyaplysin

Roy, Amalesh, Venkateswaran, Ramanathapuram V.

Journal:

Synthetic Communications

Year:

2012

Language:

english

File:

PDF, 190 KB

english, 2012

45

Corrigendum to “A short, rapid synthesis of heliannuol D, an alleochemical from Helianthus annus employing ring-closing metathesis”: [Tetrahedron Lett. 45 (2004) 2047]

Subir K. Sabui, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

2004

File:

PDF, 205 KB

2004

46

Formal syntheses of heliannuols A and D, allelochemicals from Helianthus Annus

Tuhina, Kazi, Bhowmik, Dipal R., Venkateswaran, Ramanathapuram V.

Journal:

Chemical Communications

Year:

2002

Language:

english

File:

PDF, 139 KB

english, 2002

47

Bargellini condensation of coumarins. Expeditious synthesis of o-carboxyvinylphenoxyisobutyric acids

Prabir K. Sen, Bidyut Biswas, Ramanathapuram V. Venkateswaran

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 92 KB

english, 2005

48

Rearrangement of ?-hydroxycyclobutanes. Unusual rearrangement of some cyclobutachromanols to a component of the ring system of averufin

Nath, Asok, Mal, Jayati, Venkateswaran, Ramanathapuram V.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1993

Language:

english

File:

PDF, 159 KB

english, 1993

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