cas 159345-06-9, (1S,2S)-PSEUDOEPHEDRINE-(R)-2-METHYLHYDR | Articles data ｜lookchem

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159345-06-9

Articles about 159345-06-9Total 7 be found

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Palladium-catalyzed suzuki-miyaura cross-coupling reactions of enantiomerically enriched potassium β-trifluoroboratoamides with various aryl- and hetaryl chlorides
Figure Presented. Enantiomerically enriched potassium β- trifluoroboratoamides were synthesized as air-stable solids in greater than 95:5 dr using pseudoephedrine as the chiral auxiliary. With these chiral nucleophiles, Suzuki-Miyaura cross-coupling react
Molander, Gary A.,Shin, Inji,Jean-Gerard, Ludivine
supporting information; experimental part
p. 4384 - 4387
(2010/12/24)

Synthesis and diastereoselective alkylation of pseudoephedrine amides
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Myers, Andrew G.,Yang, Bryant H.,Smith, William J.,Roush, William R.
p. 22 - 22
(2017/09/12)

Syntheses of the C-1 alkyl side chains of Zaragozic acids A and C
Asymmetric syntheses of the C-1 alkyl side chains of Zaragozic acids A and C from a common chiral precursor 4 are reported. The stereoselective reduction of unsaturated ketones 8 and 10 is the key step of both syntheses.
Bach, Jordi,Galobardes, Marta,Garcia, Jordi,Romea, Pedro,Cristina, Tey,Urpi, Felix,Vilarrasa, Jaume
p. 6765 - 6768
(2007/10/03)

Pseudoephedrine as a practical chiral auxiliary for the synthesis of highly enantiomerically enriched carboxylic acids, alcohols, aldehydes, and ketones
The use of pseudoephedrine as a practical chiral auxiliary for asymmetric synthesis is described in full. Both enantiomers of pseudoephedrine are inexpensive commodity chemicals and can be N-acylated in high yields to form tertiary amides. In the presence of lithium chloride, the enolates of the corresponding pseudoephedrine amides undergo highly diastereoselective alkylations with a wide range of alkyl halides to afford α-substituted products in high yields. These products can then be transformed in a single operation into highly enantiomerically enriched carboxylic acids, alcohols, aldehydes, and ketones.
Myers, Andrew G.,Yang, Bryant H.,Chen, Hou,McKinstry, Lydia,Kopecky, David J.,Gleason, James L.
p. 6496 - 6511
(2007/10/03)

Asymmetric synthesis of 1,3-dialkyl-substituted carbon chains of any stereochemical configuration by an iterable process
A highly practical, iterable method for the preparation of 1,3,5,n(odd)-polyalkyl-substituted carbon chains based upon the asymmetric alkylation of pseudoephedrine amide enolates is described.
Myers, Andrew G.,Yang, Bryant H.,Chen, Hou,Kopecky, David J.
p. 457 - 459
(2007/10/03)

Studies towards the synthesis of the zaragozic acids: Synthesis of the bicyclic acetal core of zaragozic acid C.
The bicyclic core 6 of zaragozic acid C (7) was prepared by the epoxide cyclisation reaction 21 → 22 → 15. Acetal 15 was also obtained by acid-promoted rearrangement of the isomeric acetal 19.
Paterson, Ian,Fessner, Klaus,Finlay, M. Raymond V.
p. 4301 - 4304
(2007/10/03)

Use of pseudoephedrine as a practical chiral auxiliary for asymmetric synthesis
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Myers, Andrew G.,Yang, Bryant H.,Chen, Hou,Gleason, James L.
p. 9361 - 9362
(2007/10/02)

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Chemical Properties

Melting Point: 136-140 °C(lit.)
Boiling Point: 483.4°C at 760 mmHg
Flash Point:246.2°C
Density: 1.091g/cm³
Vapor Pressure: 3.71E-10mmHg at 25°C
Refractive Index: 1.567
PKA: 13.70±0.20(Predicted)
PSA: 40.54000
LogP: 3.44570

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