Technical Notes:
1.Organocatalyst used in enantioselective intermolecular cross Rauhut-Currier reactions of activated alkenes with acrolein.
2.Organocatalyst used in aza-4+2 cycloaddition of N-sulfonyl-1-aza-1,3-dienes with vinyl ketones.
3.Catalyst for the enantioselective 3+2 cycloadditions of v-substituted allenoates with ß-perfluoroalkyl
enones.
4. Ligand for the direct Pd-catalyzed cross-coupling reaction of easily accessible secondary phosphine oxides and aryl bromides, which provides rapid access to P-chiral phosphine oxides.
References:
1.Chem. Commun., 2016, 52, 7612.
2.Org. Lett. 2017, 19, 1710.
3.Chem. Sci., 2017, 8, 4660.
4. J. Am. Chem. Soc. 2019, 141, 20556.
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
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