Number | Name | Date | Kind |
---|---|---|---|
2990406 | Jones | Jun 1961 | |
3384613 | Parks | May 1968 | |
3756969 | Danielson | Sep 1973 | |
4068070 | Sakai et al. | Jan 1978 | |
4240954 | Stretanski | Dec 1980 |
Entry |
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Bernhart, et al., Tetrahedron Letters, No. 29, pp. 2493-2496 (1974). |
Zinner, et al., Chem. Berichte 99, pp. 895-902 (1966). |