C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/351
C07D 321/06 (2006.01) C07C 51/00 (2006.01) C07D 333/24 (2006.01)
Patent
CA 1257283
- 1 - " PROCESS FOR PREPARING ALPHA-SUBSTITUTED-ALKYLARYLDETALS" * * * * * ABSTRACT Process for preparing alpha substituted alkylarylketals of for mula: Image (I) wherein Ar is an aromatic radical having from 3 to 20 C atoms, X is halogen, OR3 (wherein R3 is H, acyl or aroyl), OSO2CH3 or OSO2C6H4-CH, R is H or alkyl having from 1 to 3 C atoms, Y is -CH2-C(R1)=C(R2)-CH2 (wherein, in turn, R1 and R2 a re H or methyl). The products of formula I are useful for preparing alpha-aryl- alkanoic acids.
433948
Castaldi Graziano
Giordano Claudio
Riches Mckenzie & Herbert Llp
Zambon S.p.a.
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