Number | Date | Country | Kind |
---|---|---|---|
60-280696 | Dec 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3674843 | Shen et al. | Jul 1972 | |
4673684 | Wakabayashi et al. | Jun 1987 |
Number | Date | Country |
---|---|---|
214766 | Oct 1985 | JPX |
1100104 | Jan 1968 | GBX |
Entry |
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Theodora W. Greene, Protective Groups in Organic Synthesis, publ. John Wiley & Sons (1981), pp. 104-105, 307-308. |
T. Kametani et al, Journal of Heterocyclic Chemistry, vol. 12(2), Apr. 1975, pp. 259-262. |
R. Hanselaer et al, Bull. Soc. Chim. Belg., vol. 92(11-12) (1983), pp. 1029-1037. |
M. Flammang et al, Chemical Abstracts 71:49869v (1969). |