共 14 条
- [2] ASHER V, 1981, TETRAHEDRON LETT, P141
- [3] COOK AG, 1969, ENAMINES SYNTHESIS S, P211
- [7] 1,3-DIPOLAR CYCLOADDITIONS TO OXIDOPYRAZINIUMS [J]. TETRAHEDRON LETTERS, 1987, 28 (19) : 2187 - 2190
- [8] MASSA S, 1988, TETRAHEDRON LETT, P6471
- [9] MENACHERY MD, 1983, TETRAHEDRON LETT, P167
- [10] Pearson W. H., 1998, STUDIES NATURAL PROD, V1, P323