2-(4-METHOXYCARBONYLMETHYLPHENOXYMETHYL)BENZOIC ACID METHYL ESTER AND METHOD FOR PRODUCING THE SAME
申请人:Sumitomo Chemical Company, Limited
公开号:EP2058294A1
公开(公告)日:2009-05-13
Dibenzoxepinacetic acid useful as an intermediate for pharmaceutical products can advantageously be produced by way of a method for producing methyl 2-(4-methoxycarbonylmethylphenoxymethyl)benzoate comprising a reaction of methyl 2-chloromethylbenzoate with methyl 4-hydroxyphenylacetate.
TERTIARY ALKYL ESTER OF OXODIBENZOXEPIN ACETIC ACID
申请人:Sumitomo Chemical Company, Limited
公开号:EP2072507A1
公开(公告)日:2009-06-24
A tertiary alkyl ester represented by Formula (2):
wherein R1 and R2 each independently represent a C1-4 alkyl group, and a method for producing the same.
A tertiary alkyl ester represented by Formula (2):
wherein R1 and R2 each independently represent a C1-4 alkyl group is used in a process for the preparation of olopatadine.