R-Alpine-Borane® solution
ALDRICH/232734 - 0.5 M in THF
Synonym: B-
CAS Number: 73624-47-2
Empirical Formula (Hill Notation): C18H31B
Molecular Weight: 258.25
MDL Number: MFCD00074776
Linear Formula: C18H31B
Product Type: Chemical
| concentration | 0.5 M in THF |
| density | 0.896 g/mL at 25 °C |
| form | liquid |
| InChI | 1S/C18H31B/c1-12-16-10-13 |
| InChI key | VCDGSBJCRYTLNU-PHPOFCCKSA |
| optical activity | [α]20/D −3.0°, neat |
| Quality Level | 100 ![]() |
| SMILES string | C[C@H]1[C@@H](C[C@@H]2C[C |
| Application: | R- and S-Alpine-Boranes are used for asymmetric reduction of aldehydes and prochiral ketones. |
| Application: | R-Alpine-Borane® solution may be used to prepare: • (R)-5-(Benzyloxy)pent-3-y-2 • (R)-1-(p-Tolyl)-1-pentyn-3-ol, an intermediate for the enatioselective synthesis of (R)-incrustoporin. • N-(tert-Butyloxycarbonyl)-(4S)-[4-2H]-1-L-homoserine tert-butyl ester, an intermediate for synthesizing (4S)-[4-2H]-L-homoserine. |
| General description: | R-Alpine-Borane® is a chiral reducing agent, synthesized from (+)-α-pinene via hydroboration. |
| Legal Information: | Alpine-Borane is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Packaging: | 100 mL in Sure/Seal™ |
| Symbol | ![]() ![]() GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H225 - H302 - H315 - H319 - H335 - H351 |
| Precautionary statements | P210 - P280 - P301 + P312 + P330 - P305 + P351 + P338 - P370 + P378 - P403 + P235 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-19-36/37-40 |
| Safety Statements | 16-26-36/37 |
| RIDADR | UN1993 - class 3 - PG 2 - RQ - VP <= 110kPa - Flammable liquids, |
| WGK Germany | WGK 3 |
| Flash Point(F) | 1.4 °F |
| Flash Point(C) | -17 °C |
| Supplemental Hazard Statements | EUH019 |
| Density | 0.896 g/mL at 25 °C |
| UNSPSC | 12352005 |




