𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Syntheses Based on Natural α-Amino Acids. Cyanoethylation of 3-Substituted 5-Methyl-2-thiohydantoins.

✍ Scribed by A. T. Ayupova; Kh. M. Shakhidoyatov


Publisher
John Wiley and Sons
Year
2006
Weight
16 KB
Volume
37
Category
Article
ISSN
0931-7597

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Diastereoselective Electrophilic Aminati
✍ Elena Castellanos; Gloria Reyes-Rangel; Eusebio Juaristi 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 German ⚖ 160 KB

## Abstract The chiral compounds (__R__)‐ and (__S__)‐1‐benzoyl‐2,3,5,6‐tetrahydro‐3‐methyl‐2‐(1‐methylethyl)pyrimidin‐4(1__H__)‐one ((__R__)‐ and (__S__)‐**1**), derived from (__R__)‐ and (__S__)‐asparagine, respectively, were used as convenient starting materials for the preparation of the enanti

Azomethine ylides from the reaction of 4
✍ Metwally, Saoud A. M. ;Aly, Moustafa F. ;Abd-Alla, Mohamed A. ;Atta, Ferial M. ; 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 255 KB

## Abstract 4‐(Dicyanomethylene)‐3‐methyl‐1‐phenyl‐2‐pyrazoline‐5‐one (1) readily reacts with α‐amino acids and their esters by Michael addition and subsequent elimination of HCN to the adducts 2a–k. One of these, 2i (obtained from methyl glycinate), adds stereoselectively to __N__‐phenylmaleimide

Enantioseparation of racemic 4-aryl-3,4-
✍ Darko Kontrec; Vladimir Vinković; Vitomir Šunjić; Birgit Schuiki; Walter M.F. Fa 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 178 KB

## Abstract Three novel chiral packing materials for high‐performance liquid chromatography were prepared by covalently binding of (2S)‐N‐(3,5‐dimethylphenyl)‐2‐[(4‐chloro‐3,5‐dinitrophenyl)carbonylamino]propan‐amide (**7**), (2S)‐N‐(3,5‐dimethylphenyl)‐2‐[(4‐chloro‐3,5‐dinitrophenyl)carbonylamino]