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1

Recent Applications of Potassium Carbonate in Organic Synthesis

Mondal, Rina, Mallik, Asok K.

Journal:

Organic Preparations and Procedures International

Year:

2014

Language:

english

File:

PDF, 18.35 MB

english, 2014

2

[IIScPress-WSPC Publication] The Story of Numbers Volume 03 || Imaginary and Complex Numbers

Mallik, Asok Kumar

Year:

2017

Language:

english

File:

PDF, 275 KB

english, 2017

3

Popular Problems and Puzzles in Mathematics || Problems

Mallik, Asok Kumar

Year:

2014

Language:

english

File:

PDF, 626 KB

english, 2014

4

ChemInform Abstract: Sodium Borohydride Reduction of E-3-Benzylideneflavanones: Stereoselective Formation of 3(S)-Benzyl-4(S)-hydroxy-2(S*)-flavans.

Asok K. Mallik, Mrinal G. Dhara, Falguni Chattopadhyay

Journal:

Year:

1999

File:

PDF, 28 KB

1999

5

ChemInform Abstract: Novel Formation of 6-Acyl-5-(2-pyrrolyl)-3H-pyrrolizines by Base-Catalyzed Condensation of Pyrrole-2-aldehyde with Methyl Ketones.

Asok K. Mallik, Sankar P. Dey, Falguni Chattopadhyay, Amarendra Patra

Journal:

Year:

2002

File:

PDF, 29 KB

2002

6

An easy construction of 8,12-dioxa-13-azatricyclo[8.3.1.02,7]tetradeca-2(7),3,5,13-tetraen-14-ones

Surya K. De, Asok K. Mallik

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 157 KB

english, 1998

7

A facile synthesis of 2-(2-phenyl-4H-chromen-4-ylidene)-2H-indene-1,3-diones and related compounds involving an interesting aerial oxidation

Guha, Chayan, Samanta, Swati, Sepay, Nayim, Mallik, Asok K.

Journal:

Tetrahedron Letters

Year:

2015

Language:

english

File:

PDF, 759 KB

english, 2015

8

ChemInform Abstract: A Facile Synthesis of 2-(2-Phenyl-4H-chromen-4-ylidene)-2H-indene-1,3-diones and Related Compounds Involving an Interesting Aerial Oxidation.

Guha, Chayan, Samanta, Swati, Sepay, Nayim, Mallik, Asok K.

Journal:

Year:

2015

File:

PDF, 21 KB

2015

9

Popular Problems and Puzzles in Mathematics || Solutions

Mallik, Asok Kumar

Year:

2014

Language:

english

File:

PDF, 3.78 MB

english, 2014

10

Facile Condensation of Aromatic Aldehydes with Chroman-4-ones and 1-Thiochroman-4-ones Catalysed by Amberlyst-15 under Microwave Irradiation Condition

Mandal, Tapas K., Pal, Rammohan, Mondal, Rina, Mallik, Asok K.

Journal:

E-Journal of Chemistry

Year:

2011

Language:

english

File:

PDF, 1.17 MB

english, 2011

11

ChemInform Abstract: Zinc-Induced Novel Reductive Cyclodimerization of Some α,β-Unsaturated Ketones.

Sankar P. Dey, Asok K. Mallik

Journal:

Year:

1999

File:

PDF, 29 KB

1999

12

ChemInform Abstract: Novel Conversion of Some E-3-Benzylideneflavanones to 3-Benzoylchromones under a Schmidt Rearrangement Condition.

Asok K. Mallik, Falguni Chattopadhyay

Journal:

Year:

2000

File:

PDF, 31 KB

2000

13

ChemInform Abstract: Novel Conversion of 3-(α-Hydroxybenzyl)flavones to 3-Benzoylchromones and 3-Cyanoflavones with NaN3/TFA.

Asok K. Mallik, Falguni Chattopadhyay, Sankar P. Dey

Journal:

Year:

2000

File:

PDF, 35 KB

2000

14

Synthesis of (4S,5S)-Diphenyl-1,3,4,5-tetrahydro-2H-[1]benzopyrano [4,3-d]pyrimidine-2-thiones by Base-Catalyzed Cyclocondensation of (E)-3-Benzylideneflavanones with Thiourea, and Determination of Their Monoacetylation Site.

Asok K. Mallik, Falguni Chattopadhyay, Dilip Kumar Dey, Amarendra Patra, Ayhan Elmali

Journal:

Year:

2004

File:

PDF, 25 KB

2004

15

A Convenient Synthesis of 2-Benzoyl-1,5-diphenylpyrroles, a Class of Potentially Biologically Active Compounds.

Asok K. Mallik, Surya K. De, Falguni Chattopadhyay

Journal:

Year:

2005

File:

PDF, 84 KB

2005

16

Novel Formation of Spirocyclic Oxazolines in the Reaction of Some (E)-3-(4-Methoxybenzylidene)flavanones with NaN3/c.H2SO4-HOAc.

Asok K. Mallik, Falguni Chattopadhyay, Amarendra Patra

Journal:

Year:

2006

File:

PDF, 19 KB

2006

17

A Simple Conversion of (E)-3-Benzylideneflavanones to 3-Benzoylflavones by Chromic Acid Oxidation.

Asok K. Mallik, Falguni Chattopadhyay

Journal:

Year:

2006

File:

PDF, 17 KB

2006

18

ChemInform Abstract: Sodium Borohydride Reduction of E-3-Cinnamylideneflavanone in Alcohols: Formation of Structurally Interesting Alkoxydienes.

Falguni Chattopadhyay, Asok K. Mallik

Journal:

Year:

2009

File:

PDF, 24 KB

2009

19

ChemInform Abstract: Base-Catalyzed Cyclocondensation of α,α′-Bis(arylmethylene)cyclohexanones with Thiourea: Formation of E-8-(Arylmethylene)-4-aryl-1,2,3,4,5,6,7,8-octahydrobenzo [d]pyrimidine-2-thiones.

Rammohan Pal, Tapas K. Mandal, Asok K. Mallik

Journal:

Year:

2010

File:

PDF, 25 KB

2010

20

ChemInform Abstract: An Efficient Synthesis of E-2-Amino-4-aryl-8-(arylmethylene)-5,6,7,8-tetrahydrobenzo [d]pyrimidines and Their Lower Analogues

Rammohan Pal, Tapas K. Mandal, Swati Samanta, Asok K. Mallik

Journal:

Year:

2011

File:

PDF, 28 KB

2011

21

ChemInform Abstract: Iodine-Catalyzed Conjugate Addition of Indole with α-Cinnamylideneketones: Formation of β-(3-Indolyl)-α,β-dihydro-α-cinnamylideneketones and Bis(3-indolyl)methylbenzene.

Rammohan Pal, Tapas K. Mandal, Asok K. Mallik

Journal:

Year:

2011

File:

PDF, 35 KB

2011

22

ChemInform Abstract: Synthesis of Flavanones by Use of Anhydrous Potassium Carbonate as an Inexpensive, Safe, and Efficient Basic Catalyst.

Rina Mondal, Arpita Das Gupta, Asok K. Mallik

Journal:

Year:

2012

File:

PDF, 37 KB

2012

23

ChemInform Abstract: NBS Oxidation of E-3-Benzylidenechromanones to 3-(α-Hydroxybenzyl)chromones and 3-Benzoylchromones.

Tapas K. Mandal, Rammohan Pal, Rina Mondal, Sankar P. Dey, Asok K. Mallik

Journal:

Year:

2012

File:

PDF, 43 KB

2012

24

ChemInform Abstract: Amberlyst-15 Catalyzed Microwave Assisted Cross-Aldol Condensation Between Ketones and Aldehydes under Solvent Free Condition.

Rammohan Pal, Tapas K. Mandal, Chayan Guha, Asok K. Mallik

Journal:

Year:

2012

File:

PDF, 31 KB

2012

25

Pongaglabol, a new hydroxyfuranoflavone, and aurantiamide acetate, a dipeptide from the flowers of Pongamia glabra

Sunil K. Talapatra, Asok K. Mallik, Bani Talapatra

Journal:

Year:

1980

Language:

english

File:

PDF, 416 KB

english, 1980

26

Isopongaglabol and 6-methoxyisopongaglabol, two new hydroxyfuranoflavones from Pongamia glabra

Sunil K. Talapatra, Asok K. Mallik, Bani Talapatra

Journal:

Year:

1982

Language:

english

File:

PDF, 631 KB

english, 1982

27

A chromenoflavanone and two caffeic esters fromPongamia glabra

Murari M. Saha, Uttam K. Mallik, Asok K. Mallik

Journal:

Year:

1991

Language:

english

File:

PDF, 207 KB

english, 1991

28

A facile transformation of E-3-benzylideneflavanones to 3-(α-hydroxybenzyl) flavones

Mrinal G. Dhara, Surya K. De, Asok K. Mallik

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 129 KB

english, 1996

29

Some newer aspects of Clemmensen reduction of aromatic ketones

Sunil K. Talapatra, Syamal Chakrabarti, Asok K. Mallik, Bani Talapatra

Journal:

Year:

1990

Language:

english

File:

PDF, 362 KB

english, 1990

30

On the chemistry of indian orchidaceae plants—II: Dengibsin and dengibsinin, the first natural fluorenone derivatives from dendrobium gibsonii lindl

Sunil K. Talapatra, Srabani Bose, Asok K. Mallik, Bani Talapatra

Journal:

Year:

1985

Language:

english

File:

PDF, 467 KB

english, 1985

31

Novel conversion of 3-(α-hydroxybenzyl)flavones to 3-benzoylchromones and 3-cyanoflavones with NaN3/TFA

Asok K Mallik, Falguni Chattopadhyay, Sankar P Dey

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 141 KB

english, 2000

32

Novel formation of 6-acyl-5-(2-pyrrolyl)-3H-pyrrolizines by base-catalysed condensation of pyrrole-2-aldehyde with methyl ketones

Asok K. Mallik, Sankar P. Dey, Falguni Chattopadhyay, Amarendra Patra

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 241 KB

english, 2002

33

Variational approach for singularity-free path-planning of parallel manipulators

Shamik Sen, Bhaskar Dasgupta, Asok Kumar Mallik

Journal:

Mechanism and Machine Theory

Year:

2003

Language:

english

File:

PDF, 284 KB

english, 2003

34

Lagerenyl acetate and lagerenol two tetracyclic triterpenoids with the cycloartane skeleton from Lagerstroemia lancasteri

Bani Talapatra, Prabir K. Chaudhuri, Asok K. Mallik, Sunil K. Talapatra

Journal:

Year:

1983

Language:

english

File:

PDF, 332 KB

english, 1983

35

NBS Oxidation of E-3-Benzylidenechromanones to 3-(α-Hydroxybenzyl)chromones and 3-Benzoylchromones

Mandal, Tapas K., Pal, Rammohan, Mondal, Rina, Dey, Sankar P., Mallik, Asok K.

Journal:

Organic Preparations and Procedures International

Year:

2011

Language:

english

File:

PDF, 213 KB

english, 2011

36

Analysis and synthesis of mechanical error in path-generating linkages using a stochastic approach

Asok K. Mallik, Sanjay G. Dhande

Journal:

Mechanism and Machine Theory

Year:

1987

Language:

english

File:

PDF, 478 KB

english, 1987

37

Synthesis of flavanones by use of anhydrous potassium carbonate as an inexpensive, safe, and efficient basic catalyst

Rina Mondal, Arpita Das Gupta, Asok K. Mallik

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 721 KB

english, 2011

38

Role of initial conditions in the dynamics of a double pendulum at low energies

Jyotirmoy Roy, Asok K. Mallik, Jayanta K. Bhattacharjee

Journal:

Nonlinear Dynamics

Year:

2013

Language:

english

File:

PDF, 15.26 MB

english, 2013

39

Facile conversion of para-benzoquinones to para-alkoxyphenols with primary/secondary alcohols and amberlyst-15: a process showing novel reducing property of such alcohols

Mondal, Rina, Guha, Chayan, Mallik, Asok K.

Journal:

Tetrahedron Letters

Year:

2014

Language:

english

File:

PDF, 606 KB

english, 2014

40

Two expedient ‘one-pot’ methods for synthesis ofβ-aryl-β-mercaptoketones over anhydrous potassium carbonate or amberlyst-15 catalyst

GUHA, CHAYAN, MONDAL, RINA, PAL, RAMMOHAN, MALLIK, ASOK K

Journal:

Journal of Chemical Sciences

Year:

2013

Language:

english

File:

PDF, 477 KB

english, 2013

41

An expedient “on-water” synthesis of quinoxalines

Samanta, Swati, Das Gupta, Arpita, Mallik, Asok K.

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2014

Language:

english

File:

PDF, 446 KB

english, 2014

42

A simple synthesis ofE-9-aryl-5-arylidene-1-oxo-1,2,3,4,5,6,7, 8-octahydroxanthenes and their lower analogues fromE,E-α,α′-diarylidenecycloalkanones

SAMANTA, SWATI, GUPTA, ARPITA DAS, MONDAL, RINA, MALLIK, ASOK K

Journal:

Journal of Chemical Sciences

Year:

2013

Language:

english

File:

PDF, 604 KB

english, 2013

43

Structure and Synthesis of (-)-Anabellamide. A New Phenylalanine Derived Ester Amide From Anaphalis Subumbellata: Occurrence of 4'-Hydroxydehydrokawain

Talapatra, Sunil K., Pal, Milan K., Mallik, Asok K., Talapatra, Bani

Journal:

Journal of Natural Products

Year:

1983

Language:

english

File:

PDF, 277 KB

english, 1983

44

Erratum: Structure and Synthesis of (-)-Anabellamide. A New Phenylalanine Derived Ester Amide from Anaphalis subumbellata: Occurrence of 4'-Hydroxydehydrokawain

Talapatra, Sunil, Pal, Milan, Mallik, Asok, Talapatra, Bani

Journal:

Journal of Natural Products

Year:

1984

Language:

english

File:

PDF, 41 KB

english, 1984

45

Unexpected synthesis of trans-2,3-dimethoxy-3-(p-formylphenylamino)-4?-nitroflavanones

Mallik, Asok K., Saha, Murari M., Mallik, Uttam K., Goswami, Shyamaprasad, McPhail, Donald R., McPhail, Andrew T.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1992

Language:

english

File:

PDF, 302 KB

english, 1992

46

Two efficient and green methods for synthesis of 4,4′-(arylmethylene)bis(1 H -pyrazol-5-ols) without use of any catalyst or solvent

Das Gupta, Arpita, Pal, Rammohan, Mallik, Asok K.

Journal:

Green Chemistry Letters and Reviews

Year:

2014

Language:

english

File:

PDF, 2.17 MB

english, 2014

47

Synthesis of trans -2,3-dimethoxy-3- (phenylamino)flavanones and related compounds

De, Surya K, Dhara, Mrinal G, Mallik, Asok K

Journal:

Canadian Journal of Chemistry

Year:

1998

Language:

english

File:

PDF, 146 KB

english, 1998

48

A convenient, eco-friendly, and efficient method for synthesis of bis(3-indolyl)methanes “on-water”

Mallik, Asok K., Pal, Rammohan, Guha, Chayan, Mallik, Haimanti

Journal:

Green Chemistry Letters and Reviews

Year:

2012

Language:

english

File:

PDF, 152 KB

english, 2012

49

A facile synthesis of 2-aryl-4-(indol-3-yl)-4H-chromenes using amberlyst-15 as an efficient recyclable heterogeneous catalyst

Guha, Chayan, Sepay, Nayim, Mallik, Asok K.

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2015

Language:

english

File:

PDF, 534 KB

english, 2015

50

-Bis(arylmethylene)cyclopentanones: An Efficient Synthesis of E -2-(3-Indolylphenylmethyl)-5-phenylmethylenecyclopentanones

Pal, Rammohan, Das Gupta, Arpita, Mallik, Asok K.

Journal:

ISRN Organic Chemistry

Year:

2012

Language:

english

File:

PDF, 350 KB

english, 2012