Number | Date | Country | Kind |
---|---|---|---|
52/13452 | Feb 1977 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3988450 | James | Oct 1976 | |
4070477 | Evret et al. | Jan 1978 | |
4133807 | Re et al. | Jan 1979 | |
4143038 | Narisada et al. | Mar 1979 | |
4159984 | Yoshioka et al. | Jul 1979 |
Number | Date | Country |
---|---|---|
1455016 | Nov 1976 | GBX |
Entry |
---|
Wolfe et al., Tet. Letters 1973, 5131-5134. |
Cama et al., J. Amer. Chem. Soc. 96, 7582-7585 (1974). |
Christiansen et al., Chem. Abs. 81, 37560f (1974). |
Number | Date | Country | |
---|---|---|---|
Parent | 875907 | Feb 1978 |