This application is a division of application Ser. No. 137,862, filed Apr. 7, 1980, now U.S. Pat. No. 4,293,493.
Number | Name | Date | Kind |
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3872086 | Barton et al. | Mar 1975 | |
3954732 | Kamiya et al. | May 1976 | |
4024152 | Kukolja | May 1977 | |
4066641 | Hamashima et al. | Jan 1978 | |
4071513 | Kim | Jan 1978 |
Entry |
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Barton et al., Chem. Comm., (1971), p. 1137. |
Kamiya et al., Tet Letters (1973), p. 3001. |
Kim et al., Tet Letters (1978), p. 409. |
Masamure et al., J. Amer. Chem. Soc., vol. 97 (1975), p. 3515. |
Wolfe et al., Can. J. Chem., vol. 52 (1974), p. 3996. |
Naylor et al., The Chemical Society, London, 1977, pp. 204-213. |
Narisada et al., Heterocyclics, vol. 7 (1977), pp. 839-849. |
Number | Date | Country | |
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Parent | 137862 | Apr 1980 |