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Nonclassical 1,2‐Diboretanes and 1,2‐Diborolanes
Author(s) -
Steiner Dirk,
Balzereit Christian,
Winkler HeinzJürgen,
Stamatis Nicolaos,
Massa Werner,
Berndt Armin,
Hofmann Matthias,
von Ragué Schleyer Paul
Publication year - 1994
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.199423031
Subject(s) - boron , ring (chemistry) , chemistry , crystallography , bridge (graph theory) , stereochemistry , organic chemistry , medicine
Experiment and theory both indicate that four‐ and five‐membered rings containing two neighboring boron atoms–like the corresponding three‐membered ring compounds—favor nonclassical structures with a B‐H‐B bridge ( 1 and 2 , respectively) when the electron deficiency at boron is not reduced by donor substituents.