A new di-O-prenylated isoflavone from Tephrosia tinctoria

Shaik Ibrahim Khalivulla Natural Products Division, Department of Chemistry, Sri Venkateswara University, Tirupati, India

Bandi Anil Kumar Reddy Natural Products Division, Department of Chemistry, Sri Venkateswara University, Tirupati, India

Duvvuru Gunasekar Natural Products Division, Department of Chemistry, Sri Venkateswara University, Tirupati, IndiaCorrespondence[email protected]

Alain Blond Laboratoire de Chimie et Biochimie des Substances Naturelles, Paris, France

Bernard Bodo Laboratoire de Chimie et Biochimie des Substances Naturelles, Paris, France

Madugula Marthanda Murthy Organic Chemistry Division II, Indian Institute of Chemical Technology, Hyderabad, India

Tadikimalli Prabhakar Rao Centre for Magnetic Resonance, Indian Institute of Chemical Technology, Hyderabad, India

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Abstract

A new di-O-prenylated isoflavone, 5,7-di-O-prenylbiochanin A (1), together with three known compounds, 7-O-methylglabranin (2), tephrowatsin C (3) and flemichapparin B (4), were isolated from the stems of Tephrosia tinctoria. The structures of these compounds were elucidated by extensive 2D NMR spectral studies.

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A new di-O-prenylated isoflavone from Tephrosia tinctoria

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A new di-O-prenylated isoflavone from Tephrosia tinctoria

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