名称:
The Synthesis and Crystal Structure Determination of Phenyl 2-(3,4-dihydro-1(2H)naphthalenylidine)hydrazinecarboxylate and Phenyl (2,4-dichlorophenyl-methylene)hydrazinecarboxylate
摘要:
(E)-2-(3,4-二氢-1(2H)-萘啶)肼羧酸苯酯和(E)-(2,4-二氯苯基亚甲基)肼羧酸苯酯是由 1-四氢萘酮或 2,4-二氯苯甲醛与肼羧酸苯酯缩合制备的。C17H16N2O2 3 晶体为单斜晶系,C2/c,a = 17.763(4) Å,b = 8.353(2) Å,c = 40.233(8) Å, Z = 16, V = 5,839(2) Å3, R 1 = 0.0448 and wR 2 = 0.1104 for reflections with I > 2σ(I).C14H10N2O2Cl2 5 晶体为正方晶,P212121,a = 8.288(3) Å,b = 14.082(2) Å,c = 23.788(5) Å, Z = 8, V = 2,777(1) Å3, R 1 = 0.0815 and wR 2 = 0.2006 for reflections with I > 2σ(I).这两种化合物晶体中的分子堆积都是 N-H-O 氢键作用的结果。X 射线晶体分析对于确认 2-(3,4-二氢-1(2H)-萘啶)肼羧酸苯酯和(2,4-二氯苯基亚甲基)肼羧酸苯酯的结构非常重要,这两种化合物是由 1-四氢萘酮或 2,4-二氯苯甲醛与肼羧酸苯酯按 1:1 的比例缩合而成的。