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I. Mahender

Indian Institute of Chemical Technology

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Featured researches published by I. Mahender.

Bioorganic & Medicinal Chemistry Letters | 2010

New diterpenoids from Caesalpinia species and their cytotoxic activity.

Biswanath Das; Yallamalla Srinivas; Chithaluri Sudhakar; I. Mahender; Keetha Laxminarayana; Parigi Raghavendar Reddy; Tuniki Venugopal Raju; Naga Mahesh Jakka; Janapala Venkateswara Rao

Chemical investigation on Caesalpinia crista afforded two new diterpenoids, 6beta-cinnamoyloxy-7beta-acetoxyvouacapen-5alpha-ol and 6beta,7beta-dibenzoyloxyvouacapen-5alpha-ol and on Caesalpiniapulcherrima another new diterpenoid, 12-demethyl neocaesalpin F along with several known constituents. The structures of the new compounds were settled from their 1D and 2D NMR spectral data. The cytotoxicity of these compounds was measured on two different cancer cell lines.

Synthetic Communications | 2004

A Convenient Method for the Preparation of 7-Cyanocamptothecins and 7-Cyanomappicine Ketones1

Biswanath Das; K. V. N. S. Srinivas; I. Mahender; N. Ravindranath; C. Ramesh

Abstract A microwave assisted convenient method for the preparation of 7-cyanocamptothecin and 7-cyano-9-methoxycamptothecin as well as 7-cyanomappicine ketone and 7-cyano-9-methoxy-mappicine ketone has been developed.

Journal of Molecular Catalysis A-chemical | 2006

Amberlyst-15: An efficient reusable heterogeneous catalyst for the synthesis of 1,8-dioxo-octahydroxanthenes and 1,8-dioxo-decahydroacridines

Biswanath Das; Ponnaboina Thirupathi; I. Mahender; V. Saidi Reddy; Yerra Koteswara Rao

Phytochemistry | 2003

Flavanoids from Caesalpinia pulcherrima

K. V. N. S. Srinivas; Y Koteswara Rao; I. Mahender; Biswanath Das; K. V. S. Rama Krishna; K. Hara Kishore; U.S.N. Murty

Tetrahedron Letters | 2005

A simple and efficient method for α-bromination of carbonyl compounds using N-bromosuccinimide in the presence of silica-supported sodium hydrogen sulfate as a heterogeneous catalyst

Biswanath Das; Katta Venkateswarlu; Gurram Mahender; I. Mahender

Journal of Molecular Catalysis A-chemical | 2006

Convenient and facile cross-Aldol condensation catalyzed by molecular iodine: An efficient synthesis of α,α′-bis(substituted-benzylidene) cycloalkanones

Biswanath Das; Ponnaboina Thirupathi; I. Mahender; Kongara Ravinder Reddy

Chemistry Letters | 2003

Efficient and rapid one-pot conversions of aldehydes into nitriles and ketones into amides using silica chloride under microwave irradiation

K. V. N. S. Srinivas; I. Mahender; Biswanath Das

Synthesis | 2003

Silica Chloride: A Versatile Heterogeneous Catalyst for Esterification and Transesterification

K. V. N. S. Srinivas; I. Mahender; Biswanath Das

Synlett | 2003

Selective Monoacetylation of Symmetrical Diols and Selective Monodeacetylation of Symmetrical Diacetates Using HY-Zeolite as Reusable Heterogeneous Catalyst

K. V. N. S. Srinivas; I. Mahender; Biswanath Das

ChemInform | 2010

Studies on New Phytochemicals. Part 72. New Diterpenoids from Caesalpinia Species and Their Cytotoxic Activity

Biswananth Das; Yallamalla Srinivas; Chithaluri Sudhakar; I. Mahender; Keetha Laxminarayana; Parigi Raghavendar Reddy; Tuniki Venugopal Raju; Naga Mahesh Jakka; Janapala Venkateswara Rao

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