筛选条件 共查询到29条结果
排序方式
Catalytic asymmetric synthesis of Leukotriene B-4

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (11)

Leukotriene B-4 1 was prepared from two chiral synthons 8 and 14. The chiral secondary alcohols of 8 and 14 were constructed by BINOL/Ti(OiPr)(4) cata......

Concise asymmetric synthesis of the sex pheromone of the tea tussock moth

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (11)

A concise asymmetric total synthesis of the sex pheromone of the tea tussock moth has been achieved from commercially available starting materials. Th......

Chiral thiophosphoramide catalyzed asymmetric aryl transfer reactions for the synthesis of functional diarylmethanols

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (1)

In this investigation, chiral thiophosphoramide 3d was easily prepared from chiral (1R,2R)-1,2-diphenylethylenediamine and then applied as an efficien......

Synthesis of a novel sterically hindered chiral cyclic phosphoric acid derived from L-tartaric acid and application to the asymmetric catalytic Biginelli reaction

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (1)

A novel sterically hindered chiral cyclic phosphoric acid derived from L-tartaric acid was designed and synthesized based on highly regioselective cyc......

Rhodium/zinc co-catalyzed asymmetric ring opening reactions of oxabenzonorbornadienes with carboxylic acids

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (1)

The asymmetric ring opening reactions of oxabenzonorbornadienes with carboxylic acids are described. By using the complex of [Rh(COD)Cl](2) and (S,S)-......

Synthesis of fluorine-substituted [2.2]paracyclophane-based carbene precursors for copper-catalyzed enantioselective boration of alpha,beta-unsaturated ketones

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (1)

Fluorine-substituted [2.2]paracyclophane-based carbene precursors have been successfully synthesized and applied to copper-catalyzed asymmetric beta-b......

Synthesis of chiral hydantoin derivatives by homogeneous Pd-catalyzed asymmetric hydrogenation

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (1)

5-Aryl substituted chiral hydantoin derivatives were synthesized via asymmetric hydrogenation of prochiral exocyclic alkenes using a Pd/BINAP catalyst......

Asymmetric synthesis of vicinal amino alcohols via organocatalytic sequential alpha-amination/Grignard addition reactions of aldehydes

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (1)

An organocatalytic sequential alpha-amination/Grignard addition reaction of aliphatic aldehydes is reported. The synthetically useful anti-vicinal ami......

Enantioselective synthesis of (2R,13R,8Z)-2,13-diacetoxy-8-heptadecene, the major component of the sex pheromone of the pear leaf midge, Dasineura pyri

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (2)

The first enantioselective synthesis of (2R,13R,8Z)-2,13-diacetoxy-8-heptadecene 1, the major component of the sex pheromone of the pear leaf midge, D......

Novel MOP-type H-8-binaphthyl monodentate phosphite ligands and their applications in transition metal-catalyzed asymmetric 1,4-conjugate additions and hydroformylations

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (2)

A new series of monodentate phosphites based on the rigid, axially chiral monoesterified H-8-BINOL, which are easy to prepare from the readily accessi......

Total syntheses of 9-epoxyfalcarindiol and its diastereomer

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (2)

The first total syntheses of 9-epoxyfalcarindiol la and its diastereomer lb have been achieved. Central to our approach were the Zn-cyclopropane-based......

Highly enantioselective enantioselective Biginelli reactions using methanopyroline/thiourea - based dual organocatalyst systems: asymmetric synthesis of 4-substituted unsaturated aryl dihydropyrimidines

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (2)

A series of novel chiral 3,4-dihydropyrimidin-2-(1H)-ones and -thiones (DHPMs) was developed via asymmetric Biginelli reactions catalyzed by a methano......

Stereoselective synthesis of tacalcitol via (R)-MeCBS catalyzed borane reduction

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (3)

A novel and efficient approach for the synthesis of lot, 24(R)-dihydroxyvitamin D3 (tacalcitol) starting from readily available enone 1 has been achie......

Stereocontrolled self-assembly of luminescent lanthanide helicates and their enantiodifferentiation using Delta-TRISPHAT as the NMR resolving agent

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (4)

Self-assembled supramolecular lanthanide constructs have great potential in luminescent bioprobes/sensors. Stereoselectivity on the lanthanide assembl......

Pd-catalyzed enantioselective C-H arylation of phosphinamides with boronic acids for the synthesis of P-stereogenic compounds

期刊: TETRAHEDRON-ASYMMETRY, 2017; 28 (4)

A Pd-catalyzed enantioselective C-H arylation of phosphinamides with aryl boronic acids is presented. With readily affordable amino acid derivatives a......

共29条页码: 1/2页15条/页