Kavitha, Channappa N. published the artcile1-[4-(4-Hydroxyphenyl)piperazin-1-yl]ethanone, Quality Control of 67914-60-7, the publication is Acta Crystallographica, Section E: Structure Reports Online (2013), 69(11), o1671, database is CAplus and MEDLINE.
In the title compound, C12H16N2O2, the piperazine ring has a chair conformation. The dihedral angle between the mean planes of the benzene ring and the acetyl group is 48.7 (1)°. In the crystal, mols. are linked via O-H···O hydrogen bonds, forming chains propagating along [010].
Acta Crystallographica, Section E: Structure Reports Online published new progress about 67914-60-7. 67914-60-7 belongs to piperazines, auxiliary class Piperazine,Benzene,Phenol,Amide, name is 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone, and the molecular formula is C12H16N2O2, Quality Control of 67914-60-7.
Referemce:
https://en.wikipedia.org/wiki/Piperazine,
Piperazines – an overview | ScienceDirect Topics