Bis(1,5‐cyclooctadiene)rhodium Tetrafluoroborate–(R)‐ 2,2′‐Bis(diphenylphosphino)‐1,1′‐binaphthyl

([Rh(cod)2]BF4) [35138-22-8] C16H24BF4Rh (MW 406.07) InChI = 1S/2C8H12.BF4.Rh/c2*1-2-4-6-8-7-5-3-1;2-1(3,4)5;/h2*1-2,7-8H,3-6H2;;/q;;-1;+1/b2*2-1-,8-7-;; InChIKey = NBGSCPNNKGVTKU-QMDOQEJBSA-N ((R)-BINAP) [76189-55-4] C44H32P2 (MW 622.68) InChI = 1S/C44H32P2/c1-5-19-35(20-6-1)45(36-21-7-2-8-22-36)41-31-29-33-17-13-15-27-39(33)43(41)44-40-28-16-14-18-34(40)30-32-42(44)46(37-23-9-3-10-24-37)38-25-11-4-12-26-38/h1-32H InChIKey = MUALRAIOVNYAIW-UHFFFAOYSA-N (catalyst for asymmetric hydrogenation,2 isomerization,3 hydroboration,4 and intramolecular hydrosilation5 of alkenes) Physical Data: [Rh(cod)2]BF4: mp 206–8 °C; (R)-BINAP: mp 240–241 °C; [α]D25 + 229° (c = 0.32, benzene). Form Supplied in: [Rh(cod)2]BF4: orange-red crystals; (R)-BINAP: colorless crystals. Analysis of Reagent Purity: (R)-BINAP: 31P NMR (4∶1 C6D6–CD3OD): δ −12.8 (s); mp and optical rotation shown above are also useful for analysis of the purity. Purification: [Rh(cod)2]BF4: recrystallization from CH2Cl2 and ether; (R)-BINAP: recrystallization from a mixture of toluene and EtOH. Handling, Storage, and Precautions: [Rh(cod)2]BF4: hygroscopic; corrosive.