Crystal structures of ethanol hemisolvates of (1S,3R,4S,8S,9R)-1N-boranyl-6'-methoxy-cinchonan-9-ol,C20H27BN2O2 center dot 1/2C(2)H(5)OH, and (1S,3S,4S,8S,9R)-1N-boranyl-10,11-didehydro-6 '-methoxy-cinchonan-9-ol, C20H25BN2O2 center dot 1/2C(2)H(5)OH
Wartchow, Rudolf; Roeper, J.S.; Hoffmann, H.M.R.
(München : Oldenbourg, 2005)
C21H30BN2O2.50, trigonal, R3 (no. 146), a = 26.759(5) angstrom, c = 7.431(2) angstrom, V = 4608.1 angstrom(3), Z = 9, R-gt(F) = 0.041, wR(ref)(F-2) = 0.094, T = 300 K. C21H28BN2O2.50, trigonal, R3 (no. 146), a = 26.465(6) ...