A tricyclic sesquiterpenoid, valeriananoid A 1, has been synthesized via domino Michael reaction of oxophorone 4 and subsequent 6-endo-trig cyclization of a ketyl radical as key steps. (C) 2003 Elsevier Science Ltd. All rights reserved.
Technische Verfahren zur Synthese von Carotinoiden und verwandten Verbindungen aus 6-Oxo-isophoron. VII. Synthese von Rhodoxanthin und (3RS,3RS)-Zeaxanthin aus der C15-Ringkomponente
Technical Procedures for the Synthesis of Carotenoids and Related Compounds from 6-Oxo-isophorone. VII. Synthesis of Rhodoxanthin and (3RS,3RS)-Zeaxanthin from the C15-Ring Component1
An expedient access to highly functionalized B-seco taxoid frameworks
作者:S. Arseniyadis、J.I. Martin Hernando、J. Quilez del Moral、D.V. Yashunsky、P. Potier
DOI:10.1016/s0040-4039(98)00600-5
日期:1998.5
We report a convergent approach which proceeds in the A+C-->AC direction and leads in a straightforward manner to the conveniently functionalized B-seco-taxane frameworks 7 and 8, offering linkage possibilities at C1-C2. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
Double Michael addition reaction of oxophorone and its derivatives leading to bicyclo[2.2.2]octane compounds
A tricyclic sesquiterpenoid, valeriananoid A 1, has been synthesized via domino Michael reaction of oxophorone 4 and subsequent 6-endo-trig cyclization of a ketyl radical as key steps. (C) 2003 Elsevier Science Ltd. All rights reserved.