Number | Name | Date | Kind |
---|---|---|---|
1907891 | Steimmig et al. | May 1933 | |
2667497 | Cline | Jan 1954 | |
2773881 | Dunn | Dec 1956 | |
2784201 | Chitwood | Mar 1957 | |
3025305 | Verdol | Mar 1962 | |
3641067 | Kruse | Feb 1972 | |
3923842 | Wu | Dec 1975 | |
4009183 | Fumagalli et al. | Feb 1977 | |
4021453 | Brill | May 1977 | |
4146545 | Leonard | Mar 1979 | |
4192814 | Johnson | Mar 1980 | |
4224223 | Wheaton et al. | Sep 1980 | |
4226778 | Venturello et al. | Oct 1980 | |
4231937 | Kao et al. | Nov 1980 | |
4233221 | Raines et al. | Nov 1980 | |
4247465 | Kao et al. | Jan 1981 | |
4325874 | Jacobson | Apr 1982 |
Entry |
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W. Kruse et al., J. Org. Chem., vol. 36 (1971), No. 8, pp. 1154-1155. |
S. Szokacs et al., Magy. Kem. Foly, 89(9), 413 (1981), (English translation). |