Journal ArticleDOI
Radical cyclisation of 4-(o-bromophenoxy)-2H-1-benzopyrans; an efficient synthesis of pterocarpans
TLDR
In this article, the preparation of 4-(o-bromophenoxy)-2H-1-benzopyrans and their conversion into the pterocarpan skeleton via radical cylisation are reported.Abstract:
The preparation of 4-(o-bromophenoxy)-2H-1-benzopyrans and their conversion into the pterocarpan skeleton via radical cylisation are reported.read more
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Journal ArticleDOI
Synthesis of 5-deoxypterocarpens, pterocarpens, and coumestans by intramolecular Heck reaction
TL;DR: In this article, the C-ring formation of 5-deoxypterocarpens, one pterocarpen, and one coumestan were obtained from deoxychromenes, chromenes, and ortho-iodophenols.
Journal ArticleDOI
Six-Membered Ring Systems: With O and/or S Atoms
John D. Hepworth,B. Mark Heron +1 more
TL;DR: In this article, a review of reaction chemistry and new ring synthetic methods for pyranones is presented, which covers work published in the calendar year 2010 and includes new ring synthesis methods for trioxanes, tetraoxane, dioxanes, trithianes and oxathianes.
Journal ArticleDOI
Synthesis of pterocarpans.
Leticia Jiménez-González,Carmen Hernández-Cervantes,Míriam Álvarez-Corral,Manuel Muñoz-Dorado,Ignacio Rodríguez-García +4 more
TL;DR: The total synthesis of natural pterocarpans and analogs is reviewed in this paper, where the authors present a review of the main steps in the synthesis process and their application.
Journal ArticleDOI
Unsaturated Sugars: Syntheses and Applications. A Special Issue in Honour of Professor Kalpattu Kuppuswamy Balsubramanian
G. Sundararajan,N. G. Ramesh +1 more
TL;DR: Kalpattu Kuppuswamy Balsubramanian (popularly and affectionately addressed as KKB) was born on September 5th 1939, at Mylapore, Madras (now Chennai), Tamil Nadu, India, in a family gifted with tradition in the noble profession of teaching.
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