Number | Name | Date | Kind |
---|---|---|---|
2934570 | Goldberg et al. | Jul 1960 | |
3450821 | Carstensen et al. | Jun 1969 | |
3952035 | Galantay et al. | Apr 1976 | |
3972907 | Baran et al. | Aug 1976 |
Entry |
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Heslinga et al., CA 85: 93754s, (1976). |
Fryer et al., CA 82: 97629r, (1975). |
Liang et al., CA 93: 25952v, (1980). |
Yeh et al., Tetrahedron Letters, No. 49, pp. 4257-4260, (1977). |
Carl D. Perchonock, Tetrahedron Letters, 24, pp. 2457-2460, 1983. |