- Syntheses of extreme sterically hindered 4-methoxyboronic acids
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4-Iodoanisoles 3a,b, 3d and 4-bromoanisoles 4a-d were readily obtained. An extreme steric hindrance precluded obtaining 3c. Catalytic borylation of 3a,b, 3d followed by hydrolysis of boronic ester 26a,b, 26d easily provided the boronic acids 5a,b, 5d. Com
- Diemer, Vincent,Chaumeil, Hélène,Defoin, Albert,Carré, Christiane
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experimental part
p. 918 - 929
(2010/03/25)
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