(+)-Di-tert-butyl L-tartrate

• Catalog No.: 95359
• CAS Number: 117384-45-9
• M. F.: C12H22O6
• M. W.: 262.29948
• Purity: ≥98.0% (sum of enantiomers, GC)

SYNONYMS

• Title: (+)-二叔丁基 L-酒石酸
• IUPAC name: 1,4-di-tert-butyl (2R,3R)-2,3-dihydroxybutanedioate
• IUPAC Traditional name: 1,4-di-tert-butyl (2R,3R)-2,3-dihydroxybutanedioate

DATABASE IDS

• Beilstein Number: 5026723
• CAS Number: 117384-45-9
• PubChem SID: 24890142
• MDL Number: MFCD00192000

PROPERTIES

• Grade: purum
• Linear Formula: [CH(OH)CO2C(CH3)3]2
• Optical Purity: enantiomeric ratio: ≥99.5:0.5 (GC)
• Purity: ≥98.0% (sum of enantiomers, GC)
• Melting Point: 90-92 °C(lit.)
• Melting Point: 90-92 °C
• Optical Rotation: [α]20/D +11±1°, c = 1% in acetone
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Bulky tartaric ester useful as auxiliary; e.g. asymmetric opening of epoxides with trimethylsilyl azide1; Increasing steric bulk of tartaric esters often leads to higher stereoselectivity in reactions2,3

Description (简体中文)

Other Notes
大体积酒石酸酯，用作助剂；例如用三甲基叠氮化硅对环氧化物进行不对称开环1；酒石酸酯空间位阻的增加通常可以为反应带来更高的空间选择性2,3