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- Title
Substrate-Assisted, Transition-Metal-Free Diboration of Alkynamides with Mixed Diboron: Regio- and Stereoselective Access to trans-1,2-Vinyldiboronates.
- Authors
Verma, Astha; Snead, Russell F.; Dai, Yumin; Slebodnick, Carla; Yang, Yinuo; Yu, Haizhu; Yao, Fu; Santos, Webster L.
- Abstract
A substrate-assisted diboration of alkynamides using the unsymmetrical pinacolato-1,8-diaminonaphthalenato diboron (pinBBdan) is described. The transition-metal-free reaction proceeds in a regio- and stereoselective fashion to exclusively afford trans-vinyldiboronates in good to excellent yields. Notably, Bdan and Bpin are installed on the α- and β-carbon atoms, respectively.
- Subjects
TRANSITION metal compounds; BORONIC acid derivatives; STEREOSELECTIVE reactions; ALKYNE derivatives; CARBON-carbon bonds
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 18, p5193
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201700946