Number | Date | Country | Kind |
---|---|---|---|
4-231498 | Aug 1992 | JPX | |
4-231499 | Aug 1992 | JPX | |
4-283575 | Sep 1992 | JPX | |
4-321365 | Nov 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4353828 | Bey et al. | Oct 1982 |
Number | Date | Country |
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0177016 | Apr 1986 | EPX |
0282077 | Sep 1988 | EPX |
Entry |
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Journal of the Chemical Society, Perkin Transactions 1, vol. 1, No. 4, 1991, pp. 705-713, Jeremy Cooper, et al., "An Approach To Chiral Trisubstituted Pyrrolidines By Enolate Claisen Rearrangement of Azalactones Derived From Alpha-Amino Acids". |