facile-preparation-2z4e-dienamides-olefination-electron-deficient

Facile Preparation of (2<em>Z</em>,4<em>E</em>)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate

Direct cross-coupling between two alkenes via vinylic C-H bond activation represents an efficient strategy for the synthesis of butadienes with high ...

Hangzhou Normal University

A TfOH-catalyzed chemoselective [3 + 2] cycloaddition of donor-acceptor oxiranes and nitriles is described. This reaction provides an efficient and practical method for the preparation of useful 3-oxazolines in good to excellent yields (up to 99%).

Triflic Acid catalyzed formal [3 + 2] cycloaddition of donor-acceptor oxiranes and nitriles: a facile access to 3-oxazolines.

An N-heterocyclic carbene-catalyzed highly enantioselective [3 + 3] annulation reaction of N-hydroxyphthalimide (NHPI) 3,3-disubstituted acrylates and N-Ts ketimines was developed. In most cases, the desired chiral dihydropyridinone products bearing an all carbon quaternary stereogenic center could be obtained in good yields with excellent enantioselectivities (>99% ee's), which demonstrated the NHPI acrylates as a kind of excellent substrate in NHC-catalysis.

N-Heterocyclic Carbene-Catalyzed Activation of Esters of N-Hydroxyphthalimide: A Highly Enantioselective Route to Chiral Dihydropyridinones Bearing an All Carbon Quaternary Stereogenic Center.

Article	Year
Triflic Acid catalyzed formal [3 + 2] cycloaddition of donor-acceptor oxiranes and nitriles: a facile access to 3-oxazolines. Organic letters\| PubMed ID: 25938163	2015
N-Heterocyclic Carbene-Catalyzed Activation of Esters of N-Hydroxyphthalimide: A Highly Enantioselective Route to Chiral Dihydropyridinones Bearing an All Carbon Quaternary Stereogenic Cente... Organic letters\| PubMed ID: 26439608	2015

Liyuan Ding

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