Bortezomib Intermediate; (aR,3aS,4S,6S,7aR)-Hexahydro-3a,8,8-trimethyl-alpha-(2-methylpropyl)-4,6-methano-1,3,2-benzodioxaboroleDec 21, 2012
... )-Hexahydro-3a,8,8-trimethyl-alpha-(2-methylpropyl)-4,6-methano-1,3,2-benzodioxaborole TEST ITEMSPECIFICATIONAppearanceWhite to off-white ... crystalline powderIdentificationH-1 NMR,HPLCSpecific optical rotation+10°~+11°Loss on drying≤1 ... 6S,7aR)-Hexahydro-3a,8,8-trimethyl-alpha-(2-methylpropyl)-4,6-methano-1,3,2-benzodioxaborole