Process for producing 3-amino-rifamycins S and SV

Details Process for producing 3-amino-rifamycins S and SV Process for producing 3-amino-rifamycins S and SV

1979-02-28

1980-08-12

Ford, John M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D41304

Patent

active

042172772

ABSTRACT:
Method of preparing 3-amino-rifamycins S and SV having antibiotic activity. According to such a method a 3-bromo-rifamycin S is reacted with sodium nitrite to give 3-nitro-rifamycin S which is reduced with zinc powder to give the 3-amino-rifamycin SV from which the 3-amino-rifamycin S can be obtained by treatment with an oxidating agent.

REFERENCES:
patent: 3342810 (1967-09-01), Maggi et al.
March "Advanced Organic Chemistry", pp. 341, 897-898, 488-494, (McGraw-Hill) (1968).
Morrison and Boyd, "Organic Chemistry", (3rd Ed.) pp. 826-832 (Allyn and Bacon) (1973).
Kump et al., "Helvetica Chimica Acta", vol. 56, p. 2368 (1973).

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