Optical Resolution in two Immiscible Solvents in the Presence of an Intermediate Solvent. Optical Resolution of N-Methyl-Amphetamine by O,O′-Dibenzoyl-R,R-Tartaric Acid in Dichloroethane-Water-Methanol Solvent System

1999 ◽  
Vol 29 (24) ◽  
pp. 4315-4319 ◽  
Author(s):  
Dávid Kozma ◽  
Elemér Fogassy
Keyword(s):  
Tartaric Acid ◽  
Optical Resolution ◽  
Solvent System ◽  
Methyl Amphetamine

Corrigendum to “Practical optical resolution of dl-muscone using tartaric acid derivatives as a chiral auxiliary”

2008 ◽  
Vol 49 (47) ◽  
pp. 6732
Author(s):  
Kunihiko Takabe ◽  
Masataka Sugiura ◽  
Yuya Asumi ◽  
Nobuyuki Mase ◽  
Hidemi Yoda ◽  
...  
Keyword(s):  
Tartaric Acid ◽  
Optical Resolution ◽  
Chiral Auxiliary ◽  
Tartaric Acid Derivatives

scholarly journals 5-[(1,3-Dimethyl-5-oxo-2-sulfanylideneimidazolidin-4-ylidene)amino]-2-methylisoindoline-1,3-dione

IUCrData ◽  
2021 ◽  
Vol 6 (4) ◽  
Author(s):  
Sambasivarao Kotha ◽  
Naveen Kumar Gupta ◽  
Saima Ansari
Keyword(s):  
Hydrogen Bonds ◽  
Tartaric Acid ◽  
Solvent System ◽  
Ring Systems ◽  
Unexpected Reaction ◽  
The Mean

The title N,N-dimethylthiohydantoin containing an N-methylated pthalimide group, C14H12N4O3S, arose from an unexpected reaction in a deep eutectic dimethylthiourea–tartaric acid solvent system. The mean planes of the ring systems are twisted at an angle of 73.84 (17)°. In the crystal, weak C—H...O hydrogen bonds connect the molecules.

scholarly journals Time dependent efficiency of optical resolution of aminooxiranes with O,O'-dibenzoyl-(R,R)-tartaric acid

ARKIVOC ◽  
2003 ◽  
Vol 2004 (7) ◽  
pp. 53-59
Author(s):  
Ferenc Faigl ◽  
Angelika Thurner ◽  
Ferenc Farkas ◽  
Ágnes Proszenyák ◽  
Michela Valacchi ◽  
...  
Keyword(s):  
Tartaric Acid ◽  
Optical Resolution ◽  
Time Dependent
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