Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1994-08-22
1996-04-16
Kumar, Shailendra
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564300, 564441, 560 22, 560 23, 560 24, 560 29, 560 30, C07C20914, C07C26904
Patent
active
055084672
ABSTRACT:
The present invention relates to a process for the preparation of compounds of the general formula I ##STR1## by reaction of compounds of the general formula II ##STR2## with compounds of the general formula III ##STR3## in inert aprotic solvents in the presence of a base and subsequent rearrangement of the resulting intermediate compound with an alkali metal hydroxide, characterized in that the intermediate compound is not isolated.
REFERENCES:
patent: 4125601 (1978-11-01), Bugaut et al.
patent: 5091581 (1992-02-01), Seidel
Bauer Wolfgang
Bittner Andreas
Delpy Klaus
Cassella Aktiengesellschaft
Kumar Shailendra
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