CRYSTAL STRUCTURE OF AN ANTI-NEOPLASTIC AGENT, MORPHOLINE-4-CARBOXYBORANE, C5H12BNO3

Figure 1. Molecular structure (50% displacement ellipsoids) of C5H12BNO3. The selected bond distances and angles are: O-C 1.337(3), 0(1)-C 1.233(3), B-N 1.594(4), B-C 1.587(4), N-C(6) 1.483(4), N-C(2) 1.485(3), C(2)-C(3) 1.514(4), C(3)-0(4) 1.421(4), 0(4)-C(5) 1.425(4), C(5)-C(6) 1.499(4) A; N-B-C 107.1(2), 0 ( l ) C 0 118.7(2), 0 ( 1 )-C-B 124.4(2), O-C-B 117.0(2), C(6)-N-C(2) 108.3(2), C(6)-N-B 112.7(2), C(2)-N-B 114.3(2), NC(2)-C(3) 111.6(2), 0(4)-C(3)-C(2) 111.2(3), C(3)-0(4)-C(5) 109.4(2), 0(4)-C(5)-C(6) 111.0(3), N-C(6)-C(5) 112.1(2).