Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1988-01-06
1989-10-03
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544281, C07D48704, C08F 400
Patent
active
048718505
ABSTRACT:
Triazolopyrimidines of the formula I ##STR1## in which R.sup.1 denotes CN, alkylsulphonyl, arylsulphonyl or aryl
REFERENCES:
Miyamoto, Y. "Synthesis of (1,2,4)Triazolo(1,5-c)pyrimidine Derivatives", Chem. Pharm. Bull., 33(7)2678-2687(1985).
Yamazaki, C., "Cyclization of Isothiosemicarbazones. IV Synthesis of the (1,2,4)Triazolo(1,5-c)pyrimidine Ring System.," Bulletin of the Chemical Society of Japan, vol. 54, No. 5, 1981.
March, J., Advanced Organic Chemistry: Reactions, Mechanisms, and Structure, p. 502 1968.
Ham, Vinyl Polymerization, pp. 209-210, 1967.
Bulletin of the Chemical Society of Japan, Band 54, 1981, C. Yamazaki; "Cyclization of Isothiosemicarbazones. IV Synthesis of the [1,2,4]triazolo-[1,5-c]-pyrimidine Ring System", Seiten 1767-1772.
The Journal of Organic Chemistry, Ban 50, 1985; C. Yamazaki; "Cyclization of Isothiosemicarbazones. 5. [1,2,4]-Triazolo[1,5-c]pyrimidines"; Seiten 3956-3959.
The Journal of Organic Chemistry, C. Yamazaki et al; "Cyclization of Isothiosemicarbazones. 6. The Formation and Structures of N-Alkenyl-1,2,4-triazoles and Related Compounds", Seiten 5513-5516.
Chemical Abstracts, Band 105, Nr. 11, 15. Sep. 1986; Y. Miyamoto; Yoshio: "Synthesis of [1,2,4]triazolo[1,5-c]pyrimidine derivatives" Seite 360, Spalte 2, Zusammenfassung Nr. 97 409n.
Korte Siegfried
Lindner Christian
Podszun Wolfgang
Suling Carlhans
Bayer Aktiengesellschaft
Cseh C. L.
Shah Mukund J.
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