| 标题 |
[高分] Syntheses of novel group 15 and 16 thieno[2,3-b]-, thieno[3,4-b]-, and thieno [3,2-b]heteroles
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| 其它 |
Heterocycles (1997), 45(10), 1891-1894 Abstract:Group 15 (P, As and Sb) and group 16 (S, Se, and Te) thieno[2,3-b]-, thieno[3,4-b]-, and thieno[3,2-b]heteroles were prepared from the corresponding 1,4-dilithium intermediates, derived from (Z)-(β-bromo-β-trimethylsilylvinyl)thiophenes by treatment with tert-butyllithium, resp. The thienoheteroles obtained are novel fused heterocyclic ring systems, except for thienothiophenes and thienoselenophenes. Keywords: thienoheterole preparation |
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(2025-6-4)