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ISSUE 12

Year 2007, Month 12 (Section Full Articles, Page 2460)

Polyalkoxybenzenes from plant sources 2.* Synthesis of isoxazoline analogs of combretastatin from natural allyl(methylenedioxy)methoxybenzenes

D. V. Tsyganov, A. P. Yakubov, L. D. Konyushkin, S. I. Firgang, and V. V. Semenov

A series of analogs of the natural mitostatic agent combretastatin were synthesized by the reaction of nitrile oxides with natural allylbenzenes, such as myristicin, apiol, and dillapiol. The 1,3-dipolar cycloaddition reactions in allylic systems proceed regiospecifically. The reactions with trans isomers of propenylbenzenes, viz., isomyristicin, isoapiol, and isodillapiol, as dipolarophiles produce regioisomers.

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