✦ LIBER ✦

Regioselective hydrolysis of diesters of (Z)- and (E)-2-methyl-butenedioic acids by PLE

✍ Scribed by Rudolf Schmid; Vassilia Partali; Thorleif Anthonsen; Henrik W Anthonsen; Lise Kvittingen

Book ID: 104231881
Publisher: Elsevier Science
Year: 2001
Tongue: French
Weight: 78 KB
Volume: 42
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)01834-2

No coin nor oath required. For personal study only.

✦ Synopsis

Dimethyl, diethyl and dipropyl esters of (Z)-and (E)-2-methyl-butenedioic acids (citraconic and mesaconic acid) were hydrolysed by pig live esterase, PLE. For the diethyl esters the enzyme showed low regioselectivity for both the (Z)-and the (E)-isomers. However, the hydrolysis of dimethyl and dipropyl (Z)-2-methyl-butenedioic acid gave a ratio of the monoesters of 95:5 and 85:15.

📜 SIMILAR VOLUMES

EI fragmentation of E,Z-3-iodo-2-alkenoi

EI fragmentation of E,Z-3-iodo-2-alkenoic acids and methyl E,Z-3-iodo-2-alkenoates

✍ J. C. Herrera; N. A. Urdaneta 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 148 KB 👁 1 views

The electron ionization mass spectra of some E,Z-3-iodo-2-alkenoic acids and methyl E,Z-3-iodo-2alkenoates were investigated. A semi-empirical method was used to examine the thermochemical and molecular properties of the species. Two fragmentation paths of the molecular ions are determined by the ge

Stereoselective Syntheses of the Methyl

Stereoselective Syntheses of the Methyl Esters of (E)- and (Z)-2-Methyl-6-oxohept-2-enoic Acid.

✍ Martin G. Banwell; Jasmine C. Jury 📂 Article 📅 2004 🏛 John Wiley and Sons ⚖ 132 KB 👁 2 views

## Abstract For Abstract see ChemInform Abstract in Full Text.

Synthesis of diesters by addition of aci

Synthesis of diesters by addition of acids to 5-alkoxycarbonylnorborn-2-ene and related 5-methyl derivatives

✍ Mamedov, M. K.; Kadyrly, V. S.; Velieva, S. A.; Kerimova, F. S. 📂 Article 📅 2012 🏛 Springer 🌐 English ⚖ 147 KB

Reactions of Complex Ligands. Part 98. E

Reactions of Complex Ligands. Part 98. Efficient and Regioselective Chromium(0)-Catalyzed Reaction of 2-Substituted Furans with Diazo Compounds: Stereoselective Synthesis of (2E,4Z)-2-Aryl-hexadienedioic Acid Diesters.

✍ Norbert D. Hahn; Martin Nieger; Karl Heinz Doetz 📂 Article 📅 2004 🏛 John Wiley and Sons ⚖ 19 KB 👁 1 views

Synthesis and lipase catalyzed hydrolysi

Synthesis and lipase catalyzed hydrolysis of thiolesters of 2-, 3- and 4-methyl octanoic acids

✍ Philip E. Sonnet; Mary Welch Baillargeon 📂 Article 📅 1989 🏛 Springer-Verlag 🌐 English ⚖ 432 KB

Intramolecular catalysis of sulfonamide

Intramolecular catalysis of sulfonamide hydrolysis. 3. Intramolecular acid-catalyzed hydrolysis of (Z)-2-carboxy-N-methyl-N-phenylethenesulfonamide and N-methyl-N-phenylmaleamic acid under conditions of varying water ordering effects

✍ Graafland, T.; Engberts, Jan B. F. N.; Kirby, A. J. 📂 Article 📅 1977 🏛 American Chemical Society 🌐 English ⚖ 429 KB