Synthesis of N-formyl-3,4-di-t-butoxycarbonyloxy-6-(trimethylsta

Details Synthesis of N-formyl-3,4-di-t-butoxycarbonyloxy-6-(trimethylsta Synthesis of N-formyl-3,4-di-t-butoxycarbonyloxy-6-(trimethylsta

1995-02-22

1996-04-23

Nazario-Gonzales, Porfiro

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

Organic compounds

Carboxylic acids and salts thereof

C07C22900

Patent

active

055105220

ABSTRACT:
A process for forming a 6-fluoro derivative of compounds in the L-Dopa family comprising the steps of protecting the groups attached to the benzene ring in the compound followed by serially reacting the protected compound with (a) iodine and silver trifluoroacetic acid; (b) Bb.sub.3 ; (c) dit-butyldicarbonate; (d) hexamethyltin; (e) a fluoro compound; (f) hydrobromic acid; and (g) raising the pH to .ltoreq.7.

REFERENCES:
patent: 5393908 (1995-02-01), Satyamurthy et al.

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