Synthesis 1991; 1991(3): 228-232
DOI: 10.1055/s-1991-26429
paper
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

Darstellung von 1,1-Diphenylethanole durch Addition von Organotitan-Verbindungen an substituierte Aceto- und Benzophenone

Vladimir Dimitrov* , Stephan Stanchev, Branimir Milenkov, Teo Nikiforov, Plamen Demirev
  • *Institut für Organische Chemie, Bulgarische Akademie der Wissenschaften, BG-1113 Sofia, Bulgaria
Further Information

Publication History

Publication Date:
17 September 2002 (online)

Preparation of 1,1-Diphenylethanols by Addition of Organotitanium Compounds to Substituted Aceto- and Benzophenones The 1,1-diphenylethanols 5a-h were prepared by the addition of phenyltitanium triisopropoxide (3) to 4-substituted acetophenones 1a-h. The titanium tetraalkoxide 7, formed in situ from 3 and 1a, forms complexes with up to two molecules of 1a, this was established by 13C-NMR. Preparation of the alcohols 5a-f was also carried out by the reaction of methyltitanium triisopropoxide (4) with 4-substituted benzophenones 2a-f.