265668-75-5Relevant articles and documents
Synthesis and structure of novel dibenzo[b,i]-1-oxa-6-heteroecines containing group 15 heavier elements
Yasuike, Shuji,Tsukada, Satoshi,Kurita, Jyoji,Tsuchiya, Takashi,Tsuda, Yoshisuke,Kiuchi, Humiyuki,Hosoi, Shinzo
, p. 525 - 528 (2007/10/03)
A series of novel dibenzo[b, i]-1-oxa-6-heteroecines (4a-d) containing Group 15 heavier elements (P, As, Sb, and Bi) have been prepared via common 1,9-dilithium intermediate (3). Single crystal X-Ray analysis of oxastibecine (4c) reveals that the two olef