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Application of Titanacycles to Heterocycle Synthesis: Phospha‐ and Arsacyclobutenes
Author(s) -
Tumas William,
Suriano Joseph A.,
Harlow Richard L.
Publication year - 1990
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199000751
Subject(s) - yield (engineering) , ring (chemistry) , ligand (biochemistry) , chemistry , combinatorial chemistry , mathematics , materials science , organic chemistry , metallurgy , biochemistry , receptor
The titanacycle 1 as partner in a ligand exchange reaction makes 2 , the first arsacyclobutene, accessible in 50% yield. The NMR spectroscopically quantitative reaction was also used, in an analogous way, for the synthesis of the phosphacyclobutene 3 . The reaction should have wide application. The four‐membered ring is almost planar, both in 2 as well as in 3 .
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