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The scalable title reaction of various methyleneindolinones with mono- and 1,1-disubstituted acyclic vinyl ethers, ethylvinyl sulfide (X) and dihydropyran (XII) delivers the corresponding products in high yield, with high to excellent diastereomeric excess and with excellent enantioselectivity. [ABSTRACT FROM AUTHOR]

An abstract of the article "Cooperative Chiral Guanidine/AgPF6 Catalyzed Asymmetric Isocyanoacetate Aldol Reaction with Isatins" by Y. Lu and colleagues is presented.

The title process affords 2-acyl substituted norbornadienes in moderate to high yields with good enantiomeric excess up to 95%. [ABSTRACT FROM AUTHOR]

Moreover, the simple α-keto ester (X) can also be converted to the corresponding product (XI). [ABSTRACT FROM AUTHOR]

An abstract of the article "Scandium-Catalyzed Asymmetric 1,6-Addition of 3-Substituted Oxindoles to Linear Dienyl Ketones" by Z. Wang and colleagues is presented.

The article offers chemical equations for the article "N,N'-Dioxide/Gadolinium(III)-Catalyzed Asymmetric Conjugate Addition of Nitroalkanes to α,β -Unsaturated Pyrazolamides" by Q. Yao and others, published in a 2015 issue of the "Journal of Organic Chemistry."

A domino thia-Michael/aldol reaction is involved in the title synthesis. [ABSTRACT FROM AUTHOR]

A diagram is presented which explains the enantioselective synthesis of dihydrocoumarin derivatives.

The asymmetric nitroaldol reaction of nitroethane with aromatic, heteroaromatic, or α,β-unsaturated aldehydes gives the anti-β-nitroalcohols as main isomers. [ABSTRACT FROM AUTHOR]

An abstract of the article "Catalytic Asymmetric Intramolecular Homologation of Ketones with α-Diazoesters: Synthesis of Cyclic α-Aryl/Alkyl β-Ketoesters" by W. Li is presented.

An abstract of the article "Direct Asymmetric Vinylogous Michael Addition of 3-Alkylidene Oxindoles to Chalcones Catalyzed by a Chiral N,N'-Dioxide Ytterbium(III) Complex" by X. Xiao and colleagues is presented.

The title process tolerates a wide range of functional groups and provides dihydropyranones with excellent enantioselectivities. [ABSTRACT FROM AUTHOR]

An abstract of the article "N,N'-Dioxide-Scandium(III)-Catalyzed Asymmetric Aza-Friedel-Crafts Reaction of Sesamol with Aldimines" by Sha Bai and colleagues is presented.

This is a highly efficient Ni(II)-catalyzed Claisen rearrangement of a variety of both propargyl and allyl vinyl ethers using a chiral N,N-dioxide as ligand. [ABSTRACT FROM AUTHOR]

An abstract of the article "An Asymmetric [3+2] Cycloaddition of Alkynes with Oxiranes by Selective C-C Bond Cleavage of Epoxides: Highly Efficient Synthesis of Chiral Furan Derivatives" is presented.

The asymmetric Darzens reaction of phenacyl bromides and N-protected isatins provides various spiro-epoxyindoles. [ABSTRACT FROM AUTHOR]

The reaction can be performed on a gram-scale but it results in lower yields [50% (97% e.e.) of (IIa)]. [ABSTRACT FROM AUTHOR]

This new process proceeds under mild conditions, exhibits a broad substrate scope and functional-group tolerance, and features good air and moisture tolerance. [ABSTRACT FROM AUTHOR]

An efficient catalytic system is found for the asymmetric ring-opening of meso-aziridines with different nucleophiles, e.g. aniline, water, and methanol. [ABSTRACT FROM AUTHOR]

The article presents chemical equations for the article "Catalytic Asymmetric [3 + 2] Cycloaddition of Aromatic Aldehydes with Oxiranes by C—C Bond Cleavage of Epoxides: Highly Efficient Synthesis of Chiral 1,3-Dioxolanes" by W. Chen and others, published in the "Chemical Communications" in 2014.

The scalable title reaction affords the products with high diastereo- and enantioselectivities under mild conditions. [ABSTRACT FROM AUTHOR]

The scalable method is applicable to a broad range of arylated oxindoles and diaryliodonium salts with high to excellent enantioselectivity. [ABSTRACT FROM AUTHOR]

Chiral N,N-dioxide magnesium complexes are described as efficient catalysts for the α-hydroxylation of cyclic 1-tetralone derived β-keto esters. [ABSTRACT FROM AUTHOR]

The article presents chemical structures of indole derivatives representing highly stereoselective conjugate addition and α-Alkynylatin reaction with electron-deficient alkynes catalyzed by chiral scandium(III) complexes.

The article presents chemical equations which explain the asymmetric synthesis of trans-β-lactams by a Kinugasa reaction on water.