Arysulphonyl azetidine compounds used as intermediates

Details Arysulphonyl azetidine compounds used as intermediates Arysulphonyl azetidine compounds used as intermediates

1985-07-29

1986-05-27

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

549332, C07D491113, C07D20504

Patent

active

045914575

ABSTRACT:
Azetidine compounds of the general formula I ##STR1## wherein Ar represents a para-tolyl group and X represents a hydrogen atom, a carboxyl group or a hydroxymethyl group; their preparation from pentaerythritol via compounds of formula ##STR2## wherein Hal represents chlorine, bromine or iodine, Y represents oxygen or ##STR3## and Z represents Hal or OH, together with their use as intermediates in the preparation of 3-carboxyazetidine; also the compounds of formula ##STR4## wherein R.sub.1 and R.sub.2 both represent hydrogen, or together represent ##STR5##

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