This is a division, of application Ser. No. 601,770 filed Aug. 4, 1975, now U.S. Pat. No. 3,988,205.
Number | Date | Country |
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1046011 | Dec 1958 | DT |
790607 | Feb 1958 | UK |
Entry |
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Mori, Tetrahedron, vol. 30, pp. 1065-1072, (1974). |
Horii et al., Chem. Pharm. Bull., vol. 16 (5), pp. 848-852, (1968). |
Mori et al., Chem. Abst., vol. 80, p. 433, #83309, (1974). |
Oritani et al., Chem. Abst., vol. 82, p. 443, #137672. |
Heinsohn et al., J. Org. Chem., vol. 38, #25, pp. 4232-4236, (1973). |
Henbest et al., J. C. S., Perkin I, pp. 604-605, (1974). |
Number | Date | Country | |
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Parent | 601770 | Aug 1975 |