期刊
ORGANIC LETTERS
卷 14, 期 16, 页码 4254-4257出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol301983f
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资金
- German Research Foundation (International Research Training Group Selectivity in Chemo- and Biocatalysis - SeleCa)
An efficient one pot asymmetric synthesis of tetrahydropyrano[2,3-c]pyrazoles has been developed. This class of biologically active heterocycles can be obtained via a secondary amine catalyzed asymmetric Michael/Wittig/oxa-Michael reaction sequence. Remarkably, the title compounds were accessible in good to very good yields and very good to excellent enantioselectivities after a single purification step.
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