Number | Name | Date | Kind |
---|---|---|---|
3471474 | Ekstrom et al. | Oct 1969 | |
3689567 | Shen et al. | Sep 1972 | |
4097526 | Chan | Jun 1978 | |
4248795 | Chan | Feb 1981 |
Number | Date | Country |
---|---|---|
44209 | Jan 1982 | EPX |
1178279 | Jan 1970 | GBX |
Entry |
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Golinski et al., Tetrahedron Letters, No. 37, pp. 3495 to 3498, (1978). |
Harlow et al., Chem. Abs., vol. 81, 1974, p. 503, Abs. No. 127596u. |
Makosza et al., Chem. Abs., vol. 95, 1981, p. 636, Abs. No. 95:132497p. |