✦ LIBER ✦

ChemInform Abstract: The Effects of N-Methylation on the Enantioselectivity of Catalysis by cyclo[(R)-His-(R)-Phe].

✍ Scribed by J. C. THOEN; M. A. LIPTON

Publisher: John Wiley and Sons
Year: 2010
Weight: 29 KB
Volume: 29
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199817031

No coin nor oath required. For personal study only.

✦ Synopsis

The Effects of N-Methylation on the Enantioselectivity of Catalysis by cyclo[(R)-His-(R)-Phe]. -Cyclo[(R)-His-(R)-Phe] and cyclo[(S)-His-(S)-Phe] are useful catalysts for the enantioselective formation of cyanohydrins from aldehydes and HCN. Their N-methylated derivatives, however, afford little or no enantioselectivity. Thus, both amide bonds in cyclo(His-Phe) are essential for enantioselective catalysis. -(THOEN,

📜 SIMILAR VOLUMES

ChemInform Abstract: Enantioselectivity

ChemInform Abstract: Enantioselectivity vs. Kinetic Resolution in Antibody Catalysis: Formation of the (S) Product Despite Preferential Binding of the (R) Intermediate.

✍ D. SHABAT; H. SHULMAN; H. ITZHAKY; J.-L. REYMOND; E. KEINAN 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB

ChemInform Abstract: Enantioselective Ca

ChemInform Abstract: Enantioselective Catalysis for Agrochemicals: The History of (S)-Metolachlor, (R)-Metalaxyl and Clozylacon

✍ H.-U. BLASER; F. SPINDLER 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 25 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

ChemInform Abstract: Enantioselectivity

ChemInform Abstract: Enantioselectivity in the Reactions of Chiral α-(N-Carbamoyl)alkylcuprates.

✍ R. Karl Dieter; Chris M. Topping; Kishan R. Chandupatla; Kai Lu 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB

ChemInform Abstract: Effects of the Temp

ChemInform Abstract: Effects of the Temperature and Substituents in Chiral TiIV(Salen) Catalysts on the Enantioselectivity of the Addition of Me3SiCN to PhCHO.

✍ V. I. Tararov; C. Orizu; N. S. Ikonnikov; V. S. Larichev; M. A. Moscalenko; L. V 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB

ChemInform Abstract: Substituent Effects

ChemInform Abstract: Substituent Effects on the Electronic Structure of Siloles

✍ Xiaowei Zhan; Stephen Barlow; Seth R. Marder 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 11 KB 👁 2 views

ChemInform Abstract: Enantioselective Sy

ChemInform Abstract: Enantioselective Synthesis of (S)- and (R)-α-Methylserines: Application to the Synthesis of (S)- and (R)-N-Boc-N,O-isopropylidene-α-methylserinals.

✍ Alberto Avenoza; Carlos Cativiela; Francisco Corzana; Jesus M. Peregrina; David 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 36 KB 👁 1 views