Abstract
The structure of an oxazoline compound: 2,2-diphenyl-5-dichloromethylene-3-oxazoline-4-ethylcarboxylate has been established uniquely by X-ray crystallography. C19H15Cl2NO3 is monoclinic, space groupP21/n, with the cell dimensionsa=8.170(1),b=23.559(2),c=9.962(1) A,β=105.53(1)°,V=1847.5(3) A3,Z=4,Mr=376.2,Dx=1.35,Do=1.36 g cm−3,F(000)=776,T=293 K,μ=33.2 cm−1, finalR=0.062 for 2321 observed reflections. Two phenyl rings make a dihedral angle of 83.3(4)° and are equally inclined to oxazoline ring plane. The ethylcarboxylate group is planar and is at an angle of 76.1(4)° with respect to oxazoline ring plane.
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