Barun, Okram: search on Z-Library

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1

ChemInform Abstract: Formation of Acetaldehyde Enolate from Vinyl Acetate and Its Reaction with Aromatic and Heterocyclic Aldehydes: An Efficient Synthesis of Enals and Polyenals.

Pranab Kumar Mahata, Okram Barun, H. Ila, H. Junjappa

Journal:

Year:

2000

File:

PDF, 30 KB

2000

2

Asymmetrische Festphasensynthese von 6,6-Spiroacetalen

Okram Barun, Stefan Sommer, Herbert Waldmann

Journal:

Angewandte Chemie

Year:

2004

Language:

german

File:

PDF, 174 KB

german, 2004

3

ChemInform Abstract: α-Oxoketene Dithioacetals Mediated Benzoanellation of Aromatic Heterocycles: An Efficient Regiocontrolled Synthesis of Highly Substituted and Polycyclic Benzo[b]thiophenes.

J. R. Suresh, Okram Barun, H. Ila, H. Junjappa

Journal:

Year:

2001

File:

PDF, 36 KB

2001

4

[4 + 2] Cycloaromatization of 4-Bis(methylthio)-3-buten-2-one with Active Methylene Ketones: A Simple and Facile Phenol Annulation

Barun, Okram, Nandi, Sukumar, Panda, Kausik, Ila, Hiriyakkanavar, Junjappa, Hiriyakkanavar

Journal:

Journal of Organic Chemistry

Year:

2002

Language:

english

File:

PDF, 70 KB

english, 2002

5

A General Strategy for Creating “Inactive-Conformation” Abl Inhibitors

Barun Okram, Advait Nagle, Francisco J. Adrián, Christian Lee, Pingda Ren, Xia Wang, Taebo Sim, Yongping Xie, Xing Wang, Gang Xia, Glen Spraggon, Markus Warmuth, Yi Liu, Nathanael S. Gray

Journal:

Chemistry & Biology

Year:

2006

Language:

english

File:

PDF, 440 KB

english, 2006

6

α-Oxoketene Dithioacetals Mediated Benzoannelation of Aromatic Heterocycles: an Efficient Regiocontrolled Synthesis of Highly Substituted and Polycyclic Benzo[b]thiophenes

J.R. Suresh, Okram Barun, H. Ila, H. Junjappa

Journal:

Year:

2000

Language:

english

File:

PDF, 153 KB

english, 2000

7

Ring Annulation with Tetrahydroisoquinoline-Derived Enaminones: Highly Convergent Routes to Functionalized Pyrrolo[2,1- a ]- and Indolo[2,1- a ]isoquinolines

Barun, Okram, Chakrabarti, Sriparna, Ila, H., Junjappa, H.

Journal:

Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 70 KB

english, 2001

8

Natural Product-Guided Synthesis of a Spiroacetal Collection Reveals Modulators of Tubulin Cytoskeleton Integrity

Okram Barun, Kamal Kumar, Stefan Sommer, Anette Langerak, Thomas U. Mayer, Oliver Müller, Herbert Waldmann

Journal:

European Journal of Organic Chemistry

Year:

2005

Language:

english

File:

PDF, 416 KB

english, 2005

9

Expanding the Diversity of Allosteric Bcr-Abl Inhibitors

Deng, Xianming, Okram, Barun, Ding, Qiang, Zhang, Jianming, Choi, Yongmun, Adrián, Francisco J., Wojciechowski, Amy, Zhang, Guobao, Che, Jianwei, Bursulaya, Badry, Cowan-Jacob, Sandra W., Rummel, Gab

Journal:

Journal of Medicinal Chemistry

Year:

2010

Language:

english

File:

PDF, 4.60 MB

english, 2010

10

Identification of Potent and Selective RIPK2 Inhibitors for the Treatment of Inflammatory Diseases

He, Xiaohui, Da Ros, Sara, Nelson, John, Zhu, Xue-Feng, Jiang, Tao, Okram, Barun, Jiang, Songchun, Michellys, Pierre-Yves, Iskandar, Maya, Espinola, Sheryll, Jia, Yong, Bursulaya, Badry, Kreusch, Andr

Journal:

ACS Medicinal Chemistry Letters

Year:

2017

Language:

english

File:

PDF, 640 KB

english, 2017

11

ChemInform Abstract: Ring Annulation with Tetrahydroisoquinoline-Derived Enaminones: Highly Convergent Routes to Functionalized Pyrrolo[2,1-a]- and Indolo[2,1-a]isoquinolines.

Okram Barun, Sriparna Chakrabarti, H. Ila, H. Junjappa

Journal:

Year:

2001

File:

PDF, 31 KB

2001

12

[4 + 2] Cycloaromatization of 4-Bis(methylthio)-3-buten-2-one with Active Methylene Ketones: A Simple and Facile Phenol Annulation.

Okram Barun, Sukumar Nandi, Kausik Panda, Hiriyakkanavar Ila, Hiriyakkanavar Junjappa

Journal:

Year:

2003

File:

PDF, 150 KB

2003

13

ChemInform Abstract: An Expeditious Synthesis of Substituted and Anellated Pyrido[2,3-b]indoles.

Okram Barun, Pranab K. Patra, H. Ila, H. Junjappa

Journal:

Year:

1999

File:

PDF, 33 KB

1999

14

ChemInform Abstract: An Efficient General Synthesis of Novel Functionalized Tetrahydroisoquinoline Derived Enamines via Polarized Ketene N,S-Acetals.

Okram Barun, Pramod Kumar Mohanta, H. Ila, H. Junjappa

Journal:

Year:

2000

File:

PDF, 35 KB

2000

15

ChemInform Abstract: A Facile Access to 2-Methylthio/Alkoxy/Amino-3-acylimidazo[1,2-a]pyridines Based on Cupric Chloride Promoted Oxidative Ring Closure of α-Oxoketene N,S-, N,O-, and N,N-Acetals.

Okram Barun, H. Ila, H. Junjappa, Okram Mukherjee Singh

Journal:

Year:

2000

File:

PDF, 38 KB

2000

16

Cover Picture: Natural Product-Guided Synthesis of a Spiroacetal Collection Reveals Modulators of Tubulin Cytoskeleton Integrity (Eur. J. Org. Chem. 22/2005)

Okram Barun, Kamal Kumar, Stefan Sommer, Anette Langerak, Thomas U. Mayer, Oliver Müller, Herbert Waldmann

Journal:

European Journal of Organic Chemistry

Year:

2005

Language:

english

File:

PDF, 75 KB

english, 2005

17

An Annulation Route to 1,4-Dimethoxynaphthalenes

Mehta, Barun K., Barun, Okram, Ila, H., Junjappa, H.

Journal:

Year:

1998

Language:

english

File:

PDF, 49 KB

english, 1998

18

Asymmetric Solid-Phase Synthesis of 6,6-Spiroketals

Okram Barun, Stefan Sommer, Herbert Waldmann

Journal:

Angewandte Chemie International Edition

Year:

2004

Language:

english

File:

PDF, 171 KB

english, 2004

19

An expeditious synthesis of substituted and annelated pyrido[2,3-b]indoles

Okram Barun, Pranab K Patra, H Ila, H Junjappa

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 221 KB

english, 1999

20

A Facile Access to 2-Methylthio/Alkoxy/Amino-3-acylimidazo[1,2- a ]pyridines Based on Cupric Chloride Promoted Oxidative Ring Closure of α-Oxoketene N,S-, N,O-, and N,N-Acetals

Barun, Okram, Ila, H., Junjappa, H., Singh, Okram Mukherjee

Journal:

Journal of Organic Chemistry

Year:

2000

Language:

english

File:

PDF, 108 KB

english, 2000

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