95359
Fluka
(+)-Di-tert-butyl L -tartrate
purum, ≥98.0% (sum of enantiomers, GC)
| CAS Number: | 117384-45-9 |
| Linear Formula: | [CH(OH)CO2C(CH3)3]2 |
| Molecular Weight: | 262.30 |
| Beilstein Registry Number: | 5026723 |
| MDL number: | MFCD00192000 |
| PubChem Substance ID: | 24890142 |
Description
| 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 |
Properties
| grade | purum |
| assay | ≥98.0% (sum of enantiomers, GC) |
| optical activity | [α]20/D +11±1°, c = 1% in acetone |
| optical purity | enantiomeric ratio: ≥99.5:0.5 (GC) |
| mp | 90-92 °C(lit.) |
| 90-92 °C |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
References
| Cited Reference | 1. M. Hayashi et al. Synlett, 774, (1991) |
| 2. N. Ikeda et al. J. Am. Chem. Soc. 108, 483, (1986) | |
| 3. A. Ketter et al. J. Chem. Res. Synop., 278, (1990) | |
| reference | FT-IR 2 (1), 1088:A / Structure Index 1, 116:C:6 |
