Journal ArticleDOI
Radical cyclisation of 4-(o-bromophenoxy)-2H-1-benzopyrans; an efficient synthesis of pterocarpans
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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, stereochemistry, structural classification, and chemical reactivity of natural pterocarpans.
Journal ArticleDOI
A simple approach to highly functionalized benzo[b]furans from phenols and aryl iodides via aryl propargyl ethers
V. S. Prasada Rao Lingam,Ramanatham Vinodkumar,Khagga Mukkanti,Abraham Thomas,Balasubramanian Gopalan +4 more
TL;DR: In this paper, a variety of mono-and disubstituted phenols are alkylated with propargyl bromide to give phenyl 2-propynyl ethers, which were further coupled with aryl iodides under Sonogashira reaction conditions to give 3-phenoxy-1-aryl-1propyne derivatives.
Journal ArticleDOI
Radical cyclization of vinylic ethers: expedient synthesis of (+)-monocerin.
TL;DR: Stereoselective synthesis of (+)-monocerin was accomplished via radical cyclization of a vinylic ether intermediate.
Journal ArticleDOI
5-endo-Trigonal radical cyclisation—a general procedure for making five-membered rings
TL;DR: Silicon-centred radicals, derived from alkoxy dialkyl silanes by intramolecular hydrogen transfer, undergo 5-endo-trigonal closure as mentioned in this paper.
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