Number | Name | Date | Kind |
---|---|---|---|
3335163 | Tesoro et al. | Aug 1967 | |
4079084 | Houghton | Mar 1978 | |
4737422 | Knight et al. | Apr 1988 | |
4830939 | Lee et al. | May 1989 | |
4908283 | Takahashi et al. | Mar 1990 | |
4925751 | Shackle et al. | May 1990 |
Number | Date | Country |
---|---|---|
2044837 | Apr 1972 | DEX |
Entry |
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Cram & Hammond, "Organic Chemistry", p 441 (1959). |
Schwartz, J. Org. Chem., vol. 33, No. 7, pp. 2895-2902 (1968). |