5-oxo-5H-dibenzo[a,d]cyclohepten-2-acetic acid → 5H-Dibenzo(a,d)cycloheptene-2-acetic acid, alpha-methyl-5-oxo-

참여 물질

반응 단계

The compounds of Formula I can be prepared by conducting an Arndt-Eistert reaction upon 5-oxo-5H-dibenzo[a,d]-cycloheptene-2-carboxylic acid to afford, in various steps thereof, 5-oxo-5H-dibenzo[a,d]cyclohepten -2-acetic acid ethyl ester and 5-oxo-5H-dibenzo[a,d]cyclohepten-2-acetic acid. 2-(5-Oxo-5H-dibenzo[a,d]cyclohepten-2-yl)propionic acid, and the corresponding esters of the aforementioned acids can be obtained via alkylation and/or esterification.

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