Number | Date | Country | Kind |
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8604/72 | Feb 1972 | UK | |
9134/73 | Feb 1973 | UK | |
55506/72 | Dec 1972 | UK |
This application is a divisional of application Ser. No. 337,062 filed Mar. 1, 1973 now U.S. Pat. No. 3,876,655.
Entry |
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hoskinson Aust. J. Chem., 1968, Vol. 21, pp. 1913-1919. |
Ichikawa et al., J. Heterocyclic Chem., 1965, Vol. 2, pp. 253-255. |
Kulev et al., I. Chem. Abst., 1960, Vol. 54, column 11000. |
Kulev et al., II Zhur. Obshchei Khim., 1959, Vol. 29, pp. 2401-2403. |
Koroleva et al., Chem. Abst., 1962, Vol. 57, column 14594. |
Montgomery et al., J. Org. Chem., 1959, Vol. 24, pp. 256-257. |
Number | Date | Country | |
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Parent | 337062 | Mar 1973 |