共 50 条
- [41] SYNTHESES OF NOVEL 4-MEMBERED RINGS CONTAINING OXYGEN AND SULFUR AS HETEROATOMS PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS, 1992, 64-5 (1-4): : 145 - 152
- [44] 4-MEMBERED HETEROCYCLIC RINGS FROM IMINOPHOSPHORANES - PREPARATION AND REACTIVITY OF 2,4-DIIMINO-1,3-DIAZETIDINES AND RELATED-COMPOUNDS JOURNAL FUR PRAKTISCHE CHEMIE-CHEMIKER-ZEITUNG, 1993, 335 (04): : 305 - 315
- [45] 4-MEMBERED RINGS BY ACYLOIN CONDENSATION . A PECULIAR RESULT IN LIQUID AMMONIA JOURNAL OF ORGANIC CHEMISTRY, 1966, 31 (06): : 2017 - +
- [47] REGIOSPECIFIC FORMATION OF 4-MEMBERED, 5-MEMBERED, AND 6-MEMBERED RINGS BY CYCLIZATION OF ACETYLENIC ALKYLLITHIUMS ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1990, 199 : 325 - ORGN
- [49] MOLECULAR AGGREGATES AND IONIC COMPLEXES DERIVED FROM 4 MEMBERED HETEROCYCLIC RINGS GAZZETTA CHIMICA ITALIANA, 1976, 106 (1-2): : 95 - 110