Exercising regiocontrol in palladium-catalyzed asymmetric prenylations and geranylation: unifying strategy toward flustramines A and B.
Exercising regiocontrol in palladium-catalyzed asymmetric prenylations and geranylation: unifying strategy toward flustramines A and B.
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DOI:
10.1021/ja2020873
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发表时间:
2011-05-18
影响因子:
15
通讯作者:
Chan, Walter H.
中科院分区:
文献类型:
--
作者:
Trost, Barry M.;Malhotra, Sushant;Chan, Walter H.
Palladium-catalyzed asymmetric prenylation of oxindoles to selectively afford either the prenyl or the reverse prenyl product has been demonstrated. Control of regioselectivity in this transformation is governed by choice of ligand, solvent, and halide additive. The resulting prenylated and reverse prenylated products have been transformed into ent-flustramides and ent-flustramines A and B. Additionally, control in regio- and diastereoselectivity has been obtained using π-geranylpalladium complexes.
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