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Synthesis of α,ω-long chain disubstituted sexithiophenes

✍ Scribed by James P. Parakka; Michael P. Cava


Book ID
107857489
Publisher
Elsevier Science
Year
1995
Tongue
French
Weight
809 KB
Volume
51
Category
Article
ISSN
0040-4020

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An efficient and versatile method for the stereospecific construction of a,v-cisand a,v-trans-disubstituted oxepane skeletons is described. Cyclization of the hydroxy epoxides promoted by a (Bu 3 Sn) 2 O/ Zn(OTf) 2 system proceeded via an S N 2 process and exo mode selectivity regardless of the conf