Premium
A Fairly Stable Crystalline Silanone
Author(s) -
AlvaradoBeltran Isabel,
RosasSánchez Alfredo,
Baceiredo Antoine,
SaffonMerceron Nathalie,
Branchadell Vicenç,
Kato Tsuyoshi
Publication year - 2017
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201705644
Subject(s) - ylide , phosphonium , steric effects , substituent , chemistry , crystallography , medicinal chemistry , stereochemistry , polymer chemistry
Silanones 2 substituted by bulky amino‐ and phosphonium ylide substituents have been synthesized and isolated in crystalline form. Thanks to the steric protection and the strong electron‐donating ability of the substituents, silanones 2 are persistent and only slowly dimerizes at room temperature ( t 1/2 =0.5 or 5 h). Structural and theoretical analysis of 2 indicate a short Si=O bond (1.533 Å) and an enhanced polarization toward the O atom compared to Me 2 Si=O owing to the strong π‐electron donation from the phosphonium ylide substituent.
Accelerating Research
Robert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom
Address
John Eccles HouseRobert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom