Hydroaminations of unactivated alkenes with basic alkylamines: group 4 metal halide catalysts and Brønsted-acid organocatalysts.

Hydroaminations of unactivated alkenes with basic alkylamines: group 4 metal halide catalysts and Brønsted-acid organocatalysts.

Organic & biomolecular chemistry (2007-06-07)

Lutz Ackermann, Ludwig T Kaspar, Andreas Althammer

要旨

Two distinct economical catalysts for intramolecular hydroaminations of electronically unactivated alkenes with basic amines are described, which are based on (a) group 4 metal halides under basic reaction conditions or (b) Brønsted-acid organocatalysts.

材料

製品番号

ブランド

製品内容

221880

Sigma-Aldrich

塩化ジルコニウム(IV), ≥99.5% trace metals basis

258202

Sigma-Aldrich

塩化ハフニウム(IV), 98%

647640

Sigma-Aldrich

塩化ジルコニウム(IV), anhydrous, powder, 99.99% trace metals basis

357405

Sigma-Aldrich

塩化ジルコニウム(IV), ≥99.9% trace metals basis

590592

Sigma-Aldrich

塩化ハフニウム(IV), purified by sublimation, 99.9% trace metals basis