期刊
SYNLETT
卷 -, 期 8, 页码 1334-1336出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2005-865234
关键词
tert-butanesulfinamide; aldehyde; tert-butanesulfinyl aldimines; potassium hydrogen sulfate; condensation
Optically pure tert-butanesulfinyl aldimines 1 were prepared by direct condensation of chiral tert-butanesulfinamide 3 with aldehydes 2 in high yields in the presence of KHSO4. The main advantage of KHSO4 is that it is applicable to the condensation reactions of a variety of aldehydes, including electron deficient and electron rich (hetereo)aromatic aldehydes, as well as aliphatic aldehydes.
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