The crystal structure of a matrine derivative, 13-(4-Cl-pyrrole)-matrine, C₁₈H₂₆ClN₄O

Abstract

C18H26ClN4O, orthorhombic, P212121 (no. 19), a = 5.3476(1) Å, b = 14.4068(2) Å, c = 22.3285(4) Å, V = 1720.23(5) Å3, Z = 4, Rgt(F) = 0.0328, wRref(F2) = 0.0774, T = 100 K.

Crystal structure of 10-oxysophoridine, C15H22N2O2

“…It has the basic skeleton of two valerolactam and two piperidine groups. The C=O bond lengths 1.233(2)-1.234(2) Å, C-N and C-C bond lengths are within normal ranges [10].…”