875-54-7Relevant articles and documents
PROTECTIVE GROUPS AND METHODS FOR PROTECTING BENZOXABOROLES OR OXABOROLES
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Page/Page column 34; 35, (2019/10/01)
The present invention relates in part protective groups that can be used to reversibly protect benzoxaboroles and/or oxaboroles and yield the corresponding protected complexes. The invention further relates to the use of these protective groups to protect benzoxaboroles and/or oxaboroles.
Simplified ketimine preparation
Thienthong, Neeranat,Bergman, Ylva E.,Perlmutter, Patrick
experimental part, p. 2683 - 2693 (2009/12/06)
An extremely simple method for preparing imines from aryl and alkylaryl ketones and a variety of amines is presented. The process involves the diffusion of the appropriate amine vapor from one arm of an H-tube into the other arm containing the ketone. Most reactions are quantitative, and, in many cases, there is no real work-up or purification required.
Ready N-alkylation of enantiopure aminophenols: Synthesis of tertiary aminophenols
Cimarelli, Cristina,Palmieri, Gianni,Volpini, Emanuela
, p. 6089 - 6096 (2007/10/03)
A regioselective indirect alkylation of aminophenols to enantiopure tertiary aminophenols, which are useful chiral ligands for metal-catalysed asymmetric reactions, is reported. This very simple synthetic methodology, through reduction or alkylation of an intermediate benzoxazine, was performed in mild conditions, suitable for the conservation of the configuration of the stereogenic centres. Some crystalline aminophenols show the phenomenon of 'crystallization-induced asymmetric transformation'.