Number | Name | Date | Kind |
---|---|---|---|
3896160 | Gaetzi | Jul 1975 | |
4088771 | Roszkowski et al. | May 1978 | |
4110463 | Beard et al. | Aug 1978 | |
4129661 | Roszkowski et al. | Dec 1978 |
Number | Date | Country |
---|---|---|
2149245 | Apr 1973 | DEX |
Entry |
---|
Partridge et al, J. Chem. Soc. 1949, pp. 1308-1310. |
Elderfield, Heterocyclic Compounds, vol. 5, pp. 242-243, N.Y. Wiley. |
McKay, J. Org. Chem. 1951, vol. 16, pp. 1395-1403. |