Mercury intermediates useful in the preparation of 2- alkoxy...

Details Mercury intermediates useful in the preparation of 2- alkoxy... Mercury intermediates useful in the preparation of 2- alkoxy...

C - Chemistry, Metallurgy

07

F

260/300, 260/335

C07F 3/14 (2006.01) C07F 3/10 (2006.01)

Patent

CA 1086739

ABSTRACT Compounds of the formula Image wherein R1 is lower alkyl, diphenylmethyl, 2,2,2-trichloro- ethyl, p-methoxybenzyl, or p-nitrobenzyl; R2 is hydrogen or acetoxy; R5 is lower alkyl; and R4 is Image , Image , or Image wherein R3 is a heterocyclic qroup, lower alkyl, cycloalkyl, cycloalkenyl, cycloalkadienyl, phenyl, substituted phenyl, phenyl-lower alkyl, or phenoxy and X is hydrogen, protected amino or pro- tected hydroxy proviaed that X is protected amino or pro- tected hydroxy only when R3 is phenyl, substituted phenyl, or cycloalkadienyl, are disclosed. These compounds are useful as intermediates in the preparation of antibacterially active 2-alkoxy cephalosporins.

264042

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