Piperazine-2,3,5,6-tetraone. Corrigendum
نویسندگان
چکیده
منابع مشابه
Piperazine-2,3,5,6-tetraone
The mol-ecule of the title compound, C(4)H(2)N(2)O(4), is located around an inversion center and the four O atoms are in the 2,3,5,6-positions of the piperazine ring. In the crystal, bifurcated N-H⋯O hydrogen bonds link the mol-ecules into a corrugated layer parallel to (101).
متن کاملSynthesis of 2,3,5,6-tetrafluoro-pyridine derivatives from reaction of pentafluoropyridine with malononitrile, piperazine and tetrazole-5-thiol
Some pentafluoropyridine derivatives have been synthesized by the reaction of pentafluoropyridine with appropriate C, S and N-nucleophile such as malononitrile, 1-methyl-tetrazole-5-thiol and piperazine. These reactions provided 4-substituted 2,3,5,6-tetrafluoropyridine derivatives in good yields. All the compounds were characterized using (1)H, (13)C and (19)F-NMR spectroscopy and X-ray crysta...
متن کامل2,3-Diphenyl-2,3,5,6-tetrahydro-4H-1,3-thiazin-4-one. Corrigendum
The six-membered thia-zine ring in the title compound, C16H15NOS, adopts a half-chair conformation, with the S atom forming the back of the chair. The base of the chair has a slight twist reflected in the r.m.s. deviation (0.0756 Å) of those five atoms from the plane defined by them. The phenyl substituents are almost perpendicular to each other [dihedral angle 87.06 (9)°]. In the crystal, mol-...
متن کاملCorrigendum to "On $(sigma, tau)$-module extension Banach algebras"
In this corrigendum, we give a correction of one result in reference [1].
متن کاملCorrigendum notice: Protective Effect of Interval Exercise Training with Different Intensity and Alpha-Lipoic Acid Supplement on Nav1.3 Protein in Soleus Muscle of Diabetic Rats
Corrigendum notice: Protective Effect of Interval Exercise Training with Different Intensity and Alpha-Lipoic Acid Supplement on Nav1.3 Protein in Soleus Muscle of Diabetic Rats Seyedeh Fatemeh Fatemi1, Seyed Abdollah Hashemvarzi1, Amin Farzaneh Hesari1 1Department of Exercise Physiology, Sari Branch, Islamic Azad University, Sari, Iran. *Corresponding author: Tel: 09111160278, email: ...
متن کامل