Preparation of substituted alkali metal piperidine-4-carboxylate

Details Preparation of substituted alkali metal piperidine-4-carboxylate Preparation of substituted alkali metal piperidine-4-carboxylate

1991-06-10

1992-06-30

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546215, 546223, C07D21198

Patent

active

051264552

ABSTRACT:
A method of preparing certain substituted alkali metal 4-carboxy-piperidine salts (I) by alkaline hydrolysis of certain novel substituted 1,3,8-triazaspiro[4.5]decane-2, 4-diones (IV) which in turn are obtained from certain novel substituted chlorosulphonylamido piperidines (III).

REFERENCES:
patent: 3518275 (1970-06-01), Griot et al.
patent: 3993470 (1975-11-01), Devaux et al.
patent: 3998834 (1976-06-01), Janssen
patent: 4179569 (1979-02-01), Janssen
Chemical Abstract, vol. 73 No. 19 #98869v, Winter et al "Synthesis of spirohydantoins from basic heterocyclic ketones"1970.

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