𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Preparation of (R)- and (S)-α-methyldopa from a chiral hydantoin containing the α-phenylethyl group

✍ Scribed by José Luis LeóN-Romo; Claudia I. Virues; Judit Aviña; Ignacio Regla; Eusebio Juaristi


Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
145 KB
Volume
14
Category
Article
ISSN
0899-0042

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


α-Alkylation of Amino Acids without Race
✍ Dieter Seebach; Johannes D. Aebi; Reto Naef; Theodor Weber 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 German ⚖ 659 KB

## Abstract Enantiomerically pure __cis__‐ and __trans__‐5‐alkyl‐1‐benzoyl‐2‐(__tert__‐butyl)‐3‐methylimidazolidin‐4‐ones (**1, 2, 11, 15, 16**) and __trans__‐2‐(__tert__‐butyl)‐3‐methyl‐5‐phenylimidazolidin‐4‐one (**20**), readily available from (__S__)‐alanine, (__S__)‐valine, (__S__)‐methionine,

Determination of the enantiomeric excess
✍ Virginia M. Mastranzo; Leticia Quintero; Cecilia Anaya de Parrodi 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 192 KB 👁 1 views

## Abstract The use of P(III) and P(V) organophosphorus derivatizing agents prepared from __C__~2~ symmetrical (1__R__,2__R__)‐ and (1__S__,2__S__)‐__trans__‐__N__,__N__′‐bis‐[(__S__)‐α‐phenylethyl]‐cyclohexane‐1,2‐diamines **1** and **2**, as well as (1__R__,2__R__)‐ and (1__S__,2__S__)‐__trans__‐

Enantioselective Synthesis of β-Amino Ac
✍ Víctor Manuel Gutiérrez-García; Gloria Reyes-Rangel; Omar Muñoz-Muñiz; Eusebio J 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 German ⚖ 129 KB

## Abstract Inexpensive acryloyl chloride was converted in 91% overall yield to two derivatives of __β__‐alanine, (__R__,__R__,__R__)‐**6** and (__R__,__R__,__S__)‐**6**, containing two chiral auxiliaries. __C__‐Alkylation of (__R__,__R__,__R__)‐ and (__R__,__R__,__S__)‐**6** __via__ a dianion deri