AN EASY ROUTE TO CONJUGATED (ALL E) TETRAENE COMPOUNDS VIA DISILYL DERIVATIVES EXEMPLIFIED BY BETA-PARINARIC ACID METHYL-ESTER

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作者
BABUDRI, F [1 ]
FIANDANESE, V [1 ]
NASO, F [1 ]
PUNZI, A [1 ]
机构
[1] UNIV BARI,CNR,CTR STUDIO METODOL INNOVAT SINTESI ORGAN,DIPARTIMENTO CHIM,I-70126 BARI,ITALY
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中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The synthesis of conjugated (all E) tetraene compounds has been easily achieved in a few steps by electrophilic substitution reactions between (1E,3E)-1,4-bis(trimethylsilyl)-1,3-butadiene (1a) or (1E,3E,5E)-1,6-bis(trimethylsilyl)-1,3,5-hexatriene (1b) and acyl chlorides in the presence of aluminum trichloride, followed by reduction and dehydration reactions. As a representative example, the synthesis of the methyl ester of beta-parinaric acid 6 [methyl (9E,11E,13E,15E)-9,11,13,15-octadecatetraenoate], an interesting fluorophore, is reported.
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页码:221 / 223
页数:3
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