Detail of "6236-10-8"
- CAS Number:
- 6236-10-8
- Name:
Butanedioic acid,2-hydroxy-2-methyl-, (2R)-
- Molecular Structure:
- Formula:
- C5H8O5
- Molecular Weight:
- 148.11
- Synonyms:
- Butanedioicacid, 2-hydroxy-2-methyl-, (R)-;Malic acid, 2-methyl-, (-)- (8CI);(-)-Citramalic acid;(R)-Citramalate;(R)-Citramalic acid;2R-Methylmalic acid;D-(-)-Citramalic acid;D-Citramalic acid;R-Citramalic acid;
- Density:
- 1.513 g/cm3
- Melting Point:
- 108-110 °C(lit. )
- Boiling Point:
- 295.2 °C at 760 mmHg
- Flash Point:
- 146.6 °C
- Appearance:
- white fine crystalline powder
- Hazard Symbols:
Xi- Risk Codes:
- 36/37/38
- Safety:
- 26-36 Details
Butanedioic acid,2-hydroxy-2-methyl-, (2R)-
Xi
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Reference
- Regio- and stereocontrolled hydrocyanation of chiral 2-alkylglycidamides with Et2AlCN: synthesis of enantiomerically pure mono- and disubstituted malic acid derivatives
- Regio- and stereocontrolled hydrocyanation of chiral 2-alkylglycidamides with Et2AlCN: synthesis of enantiomerically pure mono- and disubstituted malic acid derivatives. Garcia Ruano, Jose L.; Fernandez-Ibanez, M. Angeles; Martin Castro, Ana M.; Rodriguez Ramos, Jesus H.; Rubio Flamarique, Ana C. ( Facultad de Ciencias, Departamento de Quimica Organica (C-I), Universidad Autonoma de Madrid, Madrid 28049, Spain). Tetrahedron: Asymmetry, 13(12), 1321-1325 (English) 2002 Elsevier Science Ltd. CODEN: TASYE3. ISSN: 0957-4166. DOCUMENT TYPE: Journal CA Section: 23 (Aliphatic Compounds) Section cross-reference(s): 27 The opening of the oxirane ring of glycidamides I (R1 = Me, Me2CH, Pr, Me3C, Ph; R2, R3 = H, Me) with Et2AlCN takes place under mild conditions in a completely regio- and stereoselective manner to afford b-cyano carboxamides II, which are immediate precursors of mono- and disubstituted malic acid derivs. The complete control of the regioselectivity can be rationalized as a consequence of the assocn. of the reagent with the carboxamide group prior to intramol. 6236-10-8 which is the cas registry number is also used here. cyanide transfer. .