title: A four-armed Schiff base: 6,6',6'',6'''-tetra-meth-oxy-2,2',2'',2'''-[methanetetra-yltetra-kis(methylenenitrilo-methyl-idyne)]tetra-phenol.
abstract: In the structure of the title compound, C(37)H(40)N(4)O(8), penta-erythrityltetra-mine is bonded to four o-vanillin mol-ecules, forming a four-armed Schiff base mol-ecule. These mol-ecules are connected by inter-molecular C-H⋯O hydrogen bonds. Intramolecular C-H⋯N and O-H⋯N hydrogen bonds are also present.
authors.affiliation: Department of Chemistry, Guizhou University, Guiyang 550025, People's Republic of China.
authors.forename: Guang-Qi
authors.initials: GQ
authors.lastname: Jiang
authors.forename: Jie
authors.initials: J
authors.lastname: Cai
authors.forename: Yun-Qian
authors.initials: YQ
authors.lastname: Zhang
authors.forename: Qian-Jun
authors.initials: QJ
authors.lastname: Zhang