Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1985-10-10
1988-01-12
Jiles, Henry R.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C07D23926
Patent
active
047192992
ABSTRACT:
Process for preparing pyrimidine by reacting in the gas phase 1,3-diaminopropane with a C.sub.1 reagent in the presence of an excess of methanol and/or carbon monoxide and of a metallic catalyst, wherein the reaction is carried out in the presence of a palladium catalyst promoted with an alkali metal and subsequently from the resulting reaction mixture pyrimidine is recovered.
REFERENCES:
Tsuchiya et al., "Syntheses of 2-Alkylpyrimidines by Dehydrogenocyclization of Trimethylenediamine and Aldehydes, and Their Kinetics", (J. Pharmaceut. Soc., Japan), 96, 1005-1012, (1976).
Tsuchiya et al., Synthesis of 2-Alkylpyrimidines by Dehydrocyclization and Dehydrogenation (J. Pharmaceut. Soc., Japan), 97 373-381 (1977).
Tsuchiya et al., CA, vol. 87, 1977, 87:84049e, p. 515.
Tsuchiya et al., CA, vol. 86, 1977, 86:29745h, p. 363.
Okada et al., CA, vol. 84, 1976, 84:17273y, p. 463.
Okada et al., CA, vol. 85, 1976, 85:142251m, pp. 462 and 463.
Okada et al., CA, vol. 90, 1979, 90:549042, p. 608.
Okada et al., "Formation of a 2-Ethylpyrimidine from Frimethylenediamine over Platinum Group Metal-Al.sub.2 O.sub.3 Catalysts and its Kinetic Study", J. Pharmaceut. Soc. Japan, 96, 801-809 (1979) 24 pp.
Jiles Henry R.
Mullins J. G.
Stamicarbon B. V.
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