Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...
Patent
1982-03-19
1983-04-19
Rizzo, Nicholas S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen bonded directly to ring carbon of the purine ring...
424253, C07D47312
Patent
active
043806317
ABSTRACT:
Caffeine is prepared from theophylline, carbon monoxide and methanol.
REFERENCES:
patent: 2509084 (1950-05-01), Decker
patent: 2523496 (1950-09-01), Campbell
patent: 3975389 (1976-08-01), Arcadi et al.
patent: 3998953 (1976-12-01), Konz et al.
Ber 95, 1902-1909 (1962).
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd Edition, vol. 3, p. 916.
BASF - Aktiengesellschaft
Rizzo Nicholas S.
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