Number | Date | Country | Kind |
---|---|---|---|
3427844 | Jul 1984 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4451281 | Elbe et al. | May 1984 | |
4472416 | Stetter et al. | Sep 1984 | |
4507140 | Sugavanam | Mar 1985 | |
4584308 | Elbe et al. | Apr 1986 | |
4632932 | Kramer et al. | Dec 1986 |
Number | Date | Country |
---|---|---|
111234 | Jun 1984 | EPX |
2623129 | Nov 1977 | DEX |
3237400 | Apr 1984 | DEX |
Entry |
---|
J. Am. Chem. Soc. 87, 1363-1364 (1965). |
Kutsama et al., Heterocycles 8, 397-401 (1977). |