Production of hydroxyphenylpropionic acid ester having a novel c

Details Production of hydroxyphenylpropionic acid ester having a novel c Production of hydroxyphenylpropionic acid ester having a novel c

1988-04-28

1989-07-04

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31904

Patent

active

048452440

ABSTRACT:
3,9-bis{2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy]-1,1-dimethylethyl}-2,4,8,10-tetraoxaspiro[5.5] undecane having a novel crystalline structure which, when subjected to Cu-K.sub..alpha. X-ray diffraction, shows sharp X-ray diffraction peaks at angles of diffraction, 2.theta.=4.2.degree. and 2.theta.=10.6.degree.. Also provided is a method for producing this compound, using a certain recrystallization solvent.

REFERENCES:
patent: 4576734 (1986-03-01), Ishii et al.
patent: 4739080 (1988-04-01), Sasaki et al.
patent: 4745195 (1988-05-01), Kaneoya et al.
patent: 4754045 (1988-06-01), Sasaki et al.
Satoshi, Patent Abstracts of Japan, 9:104 (C-279) (1827), May 1985.
Adeka Argus, Chemical Abstracts 101:8213w, 1984.

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