Process for the preparation of 1-oxa-3,8-diaza-4-oxo-spiro(4.5)d

Details Process for the preparation of 1-oxa-3,8-diaza-4-oxo-spiro(4.5)d Process for the preparation of 1-oxa-3,8-diaza-4-oxo-spiro(4.5)d

1986-07-08

1987-08-25

Bond, Robert T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

524 99, C07D49810

Patent

active

046894160

ABSTRACT:
The reaction for the preparation of 1-oxa-3,8-diaza-4-oxo-spiro[4.5]decane compounds of the formula ##STR1## proceeds more rapidly and more completely if it is performed in the presence of a phase transfer catalyst in an aromatic hydrocarbon which is liquid at room temperature.

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