Synthesis and reactions of 1, 3, 4, 6-tetra-2-thienylthieno [3, 4-c] thiophene
…, J Kazami, Y Ida, T Nakamura, M Hoshino
Index: Ishii, Akihiko; Nakayama, Juzo; Kazami, Jun-ichi; Ida, Yutaka; Nakamura, Takao; Hoshino, Masamatsu Journal of Organic Chemistry, 1991 , vol. 56, # 1 p. 78 - 82
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Citation Number: 45
Abstract
The cycloaddition reaction of'lf with N-phenylmaleimide yielded a pair of exo (major) and endo (minor) adducts 7 and 8, whose structures were assigned on the basis of the difference in the reactivity toward m-chloroperbenzoic acid. The reaction of If with phenyl vinyl sulfoxide, dimethyl acetylenedicarboxylate, and di-2-thenoylacetylene gave benzo [c] thiophene derivatives 13, 15, and 16, respectively.
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