Purification of caffeine

Details Purification of caffeine Purification of caffeine

1987-02-13

1988-07-19

Warden, Robert J.

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

Organic compounds

Chalcogen bonded directly to ring carbon of the purine ring...

544274, C07D47312

Patent

active

047586621

ABSTRACT:
A process for the purification of caffeine which comprises carrying out the following steps in any order;

REFERENCES:
patent: 1235278 (1917-07-01), Barr
patent: 2508545 (1950-05-01), Shuman
patent: 2785163 (1957-03-01), Swidinsky
patent: 3321142 (1967-05-01), Knahnefeld
patent: 4380631 (1983-04-01), Bott
Merck Index 9th Edition, 1976, p. 207.

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