Ligand coupling route to isoflavanones and isoflavones
01 Jan 1992-Journal of The Chemical Society, Chemical Communications (The Royal Society of Chemistry)-Iss: 3, pp 224-225
TL;DR: Phenylation of 3-phenylsulfonlylchroman-4-ones using Ph3BiCO3 leading to the synthesis of isoflavanones and isoflavones is reported as mentioned in this paper.
Abstract: Phenylation of 3-phenylsulfonlylchroman-4-ones using Ph3BiCO3leading to the synthesis of isoflavanones and isoflavones is reported.
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TL;DR: In this paper, photoinduced electron transfer reaction between excited β-ketosulfones and ascorbic acid provides an efficient and green approach for the desulfonylation of β-keto-sulfones.
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TL;DR: An efficient method for the synthesis of N-aryl pyridin-2-ones was established by way of ligand coupling reactions using pentavalent organobismuth reagents such as triarylbismuth dichlorides.
Abstract: An efficient method for the synthesis of N-aryl pyridin-2-ones was established by way of ligand coupling reactions using pentavalent organobismuth reagents such as triarylbismuth dichlorides.
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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.
Abstract: The review covers work published in the calendar year 2010. Novel reaction chemistry and new ring synthetic methods for pyrans, [1]benzopyrans, dihydro[1]benzopyrans (chromenes, chromans), [2]benzopyrans, dihydro[2]benzopyrans (isochromenes, isochromans), pyranones, coumarins, chromones, xanthenes, xanthones, thiopyrans, dioxins. dioxanes, trioxanes, tetraoxanes, dithianes, trithianes, oxathianes are reviewed.
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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.
Abstract: 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.[...]
2 citations
TL;DR: Phenylation of 3-phenylsulfonlylchroman-4-ones using Ph3BiCO3 leading to the synthesis of isoflavanones and isoflavones is reported as discussed by the authors.
Abstract: Phenylation of 3-phenylsulfonlylchroman-4-ones using Ph3BiCO3leading to the synthesis of isoflavanones and isoflavones is reported.
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TL;DR: Syntheses a partir du chlorure d'acide benzodioxole-1,3acetique-5 (ou de son derive methoxy-6) and de dimethyl-2,2 chromannol-3, resorcinol ou isoprenyloxy-3 phenol
Abstract: Syntheses a partir du chlorure d'acide benzodioxole-1,3acetique-5 (ou de son derive methoxy-6) et de dimethyl-2,2 chromannol-3, resorcinol ou isoprenyloxy-3 phenol
74 citations