Proline-Catalyzed Direct Asymmetric Aldol Reactions

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a Chem...

B List，RA Lerner，CFB Iii - 《Cheminform》

Modern Variants of the Mannich Reaction

Important building blocks for the synthesis of drugs or natural products are found in Mannich bases and their derivatives. Modern variants of the Mannich r...

M Arend，B Westermann，N Risch - 《Angewandte Chemie International Edition》

Asymmetric synthesis of bicyclic intermediates of natural product chemistry

The triketone 1, a compound of reflective symmetry, could be converted by an asymmetric aldol cyclization to the optically active bicyclic 7a-methyl ketol (+)-2 in 100% chemical and 93.4% optical yield by the use of a catalytic amount (3...

ZG Hajos，DR Parrish - 《Journal of Organic Chemistry》

New Strategies for Organic Catalysis: The First Highly Enantioselective Organocatalytic DielsAlder Reaction

ChemInform is a weeklying Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInformof ...

KA Ahrendt，CJ Borths，DWC MacMillan - 《Cheminform》

ChemInform Abstract: TOTAL SYNTHESIS OF OPTICALLY ACTIVE STEROIDS. PART XIII. SYNTHESIS OF 4,9(11)‐ANDROSTADIENE‐3,17‐DIONE

ChemInform is a weeklying Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInformof ...

U Eder，G Sauer，G Haffer，... - 《Chemischer Informationsdienst》

The Synthesis of Vicinal Amino Alcohols

Photoaffinity analogues of ol-tocopherol have been prepared by substituting photosensitive functional groups at either the terminus of an alkyl chain of va...

SC Bergmeier - 《Tetrahedron》

New Strategies for Organic Catalysis : The First Cycloaddition

Photoaffinity analogues of ol-tocopherol have been prepared by substituting photosensitive functional groups at either the terminus of an alkyl chain of va...

KA Ahrendt，CJ Borths，DWC Macmillan

Direct catalytic asymmetric mannich-type reaction of unmodified ketones utilizing the cooperation of an AlLibis(binaphthoxide) complex and La(OTf)(3)center...

The first example of a direct catalytic asymmetric Mannich-type reaction using unmodified ketones and an aminomethyl ether is described. This was achieved ...

S Yamasaki，T Iida，M Shibasaki - 《Tetrahedron Letters》

The effects of the nature of catalyst and of the solvent on the stereoselectivity in amine-catalyzed asymmetric synthesis of substituted cyclohexa-1,3-dien...

In the amine-catalyzed reactions of prenal with ( Z )-5-methyl-2-(methoxycarbonyl)hexa-2,4-dienoic or ( Z )-3-phenyl-2-(ethoxycarbonyl)prop-2-enoic acid ch...

EP Serebryakov，AG Nigmatov，MA Shcherbakov，... - 《Russian Chemical Bulletin》

ChemInform Abstract: New Strategies for Organic Catalysis: The First Highly Enantioselective Organocatalytic Diels—Alder Reaction.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a Chem...

KA Ahrendt，CJ Borths，DWC Macmillan - 《Cheminform》