3722-79-0Relevant articles and documents
Synthesis and crystal structure of 1,3-bis(p-nitrophenoxy)propane
Rafique, Muhammad,Zulfiqar, Sonia,Yap, Glenn P. A.,Shah, Syed Ismat,Sarwar, Muhammad Ilyas
, p. 83 - 86 (2009)
The title compound 1,3-bis(p-nitrophenoxy)propane was synthesized by nucleophilic substitution of p-nitrophenol and 1,3-dibromopropane. Single crystal X-ray diffraction analysis reveals that the molecule in the solid state packs in the monoclinic P2/n spa
Green synthesis of symmetric aryl ether dinitro compounds in deep eutectic solvents
Jin, Yan,Ding, Yinhao,Hou, Xichao,Dong, Jingjing,Lu, Jianqiang,Feng, Baicheng
, p. 101 - 107 (2020/03/17)
A series of symmetric aryl ether dinitro compounds were synthesized by 4Urea/ZnCl2 as green solvent and catalyst, and halogenated aromatic hydrocarbon derivatives and dihydroxy compounds as raw materials. This method has the advantages of easy operation, simple recrystallization, environmental friendliness and biodegradability. The structures of the products were subjected to 1H NMR, and the reaction conditions, reaction mechanism and greening advantages of deep eutectic solvents were discussed at the end of the experiments. We learned from the results of the experiments that both the aliphatic dihydroxy compounds and the aromatic dihydroxy compounds could proceed effectively in Ullmann reaction, and the desired products could be obtained in acceptable yields. When using this methodology, symmetric aryl ether dinitro compounds could be synthesized simply at 80oC in 2 h with high yields (66%~94%). Meanwhile, the DES, called deep eutectic solvent which is composed of 4Urea/ZnCl2, could be recycled at least five times without an obvious decraese in the catalytic activity.
Synthesis and characterization of new optically active poly(amide-imide)s based on n-trimellitimido-l-amino acid and trimethylene units
Faghihi, Khalil,Shabanian, Meisam
scheme or table, p. 97 - 102 (2012/05/20)
Six new optically active poly(amide-imide)s (8a-f) were synthesized through the direct polycondensation reaction of 1,3-bis(4-aminophenoxy) propane (4) with six different derivatives of N-trimellitimido-L-amino acid (7a-f) in a medium consisting of N-meth