43456

(+)-O,O′-Di-pivaloyl-D-tartaric acid

≥98.0%

• Synonym(s): (+)-DPTA
• Linear Formula: [(CH₃)₃CCO₂CH(CO₂H)-]₂
• CAS Number: 76769-55-6
• Molecular Weight: 318.32
• NACRES: NA.22
• PubChem Substance ID: 57650180
• eCl@ss: 39021705
• UNSPSC Code: 12352108
• MDL number: MFCD00015634
• Beilstein/REAXYS Number: 6894779
• Assay: ≥98.0%

Properties

• Quality Segment: 100
• assay: ≥98.0%
• optical activity: [α]20/D +23.5±1°, c = 1.7% in dioxane
• mp: 127-130 °C (lit.)
• functional group: carboxylic acid, ester
• SMILES string: CC(C)(C)C(=O)O[C@@H]([C@H](OC(=O)C(C)(C)C)C(O)=O)C(O)=O
• InChI: 1S/C14H22O8/c1-13(2,3)11(19)21-7(9(15)16)8(10(17)18)22-12(20)14(4,5)6/h7-8H,1-6H3,(H,15,16)(H,17,18)/t7-,8-/m0/s1
• InChI key: UFHJEZDFEHUYCR-YUMQZZPRSA-N

Description

General description

(+)-O,O′-Di-pivaloyl-D-tartaric acid is a chiral protonating agent (CPA).

Other Notes

Reagent for the "deracemization" of carbonyl compounds by enantio-selective protonation of enamines or Li-enolates ; Synthesis of optically active α-amino acids

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)