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Metal‐Mediated Synthesis of 1,4‐Di‐ tert ‐butyl‐1,4‐azaborine
Author(s) -
Braunschweig Holger,
Damme Alexander,
JimenezHalla J. Oscar C.,
Pfaffinger Bernd,
Radacki Krzysztof,
Wolf Justin
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201205795
Subject(s) - acetylene , simple (philosophy) , set (abstract data type) , cycloaddition , metal , combinatorial chemistry , chemistry , computer science , information retrieval , stereochemistry , organic chemistry , philosophy , programming language , catalysis , epistemology
Completing the set : Although 1,2‐azaborine is known, little is known about the 1,3‐ and 1,4‐analogues. Now a simple, controlled synthesis of 1,2‐di‐ tert ‐butyl‐1,2‐azaborine from acetylene and di‐ tert ‐butyliminoborane has been achieved by a metal‐mediated formal [2+2+2] cycloaddition reaction. A 1,2‐azaborete pianostool complex was identified as an reaction intermediate.