Technical Notes:
1.Organocatalyst used in aza-4+2 cycloaddition of N-sulfonyl-1-aza-1,3-dienes with vinyl ketones.
2.Catalyst for the enantioselective 3+2 cycloadditions of v-substituted allenoates with ß-perfluoroalkyl
enones.
3.Catalyst for asymmetric intermolecular cross Rauhut-Currier reaction of ß-perfluoroalkyl-substituted enones and vinyl ketones.
References:
1.Org. L ett. 2017, 19, 1 710.
2.Chem. Sci., 201 7, 8, 4660.
3.Adv. Synth. Catal. 201 7, 359, 3347 .
Strem
咪唑硫化物巯烷基硅,金属和有机杂质清除剂, Imidazole Sulfide Mercapto Alkyl Silica, metals and organic impurity scavenger
(8aS)-18-Hydroxy-8,9-diphenyl-18-oxide-diphenanthro[4,3-d:3',4'-f][1,3,2]dioxaphosphepin
(S)-VAPOL膦酸酯