Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1977-07-25
1980-09-16
Rizzo, Nicholas S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
544 21, 544 27, 544 28, 544 30, C07D50104
Patent
active
042231329
ABSTRACT:
A process for preparing free carboxylic acids which comprises treating an optionally substituted benzyl ester with a Lewis acid, preferably in the presence of a cation acceptor, followed by hydrolysis, if required.
REFERENCES:
patent: 3275626 (1966-09-01), Morin et al.
patent: 3781282 (1973-12-01), Garbrecht
patent: 3799924 (1974-03-01), Jackson
patent: 4091214 (1978-05-01), Hatfield
Hirai Shoichi
Kataoka Takahiro
Maeda Takashi
Nagata Wataru
Sendo Yuji
Rizzo Nicholas S.
Shionogi & Co. Ltd.
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