N,O-, N,N-, N,S-, and N,N,S-Heterocycles with an Exocyclic Amino Group in the Synthesis of 1,5,3,7-Diazadiphosphacyclooctanes

被引：0
|
作者：
Spiridonova, Yu. S. [1 ]
Litvinov, I. A. [1 ]
Musina, E. I. [1 ]
Karasik, A. A. [1 ]
机构：
[1] Russian Acad Sci, Arbuzov Inst Organ & Phys Chem, FRC Kazan Sci Ctr, Kazan 420111, Russia
来源：
DOKLADY CHEMISTRY | 2023年 / 510卷 / 02期
关键词：
isoxazole; benzimidazole; benzothiazole; thiadiazole; cyclic phosphines; 1; 5; 3; 7-diazadiphosphacyclooctanes; CONSTITUTIONAL DYNAMIC CHEMISTRY; SUPRAMOLECULAR CHEMISTRY; TAUTOMERISM; AMINOMETHYLPHOSPHINES; AMIDINES;
D O I：
10.1134/S0012500823600438
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
New 1,5,3,7-diazadiphosphacyclooctanes with N,O-, N,N-, N,S-, and N,N,S-heterocyclic substituents at the nitrogen atoms have been synthesized. The influence of the nature of amines containing sp(2)-hybridized nitrogen atom in the ortho-position of the heterocyclic substituent on the result of Mannich condensation in phosphine-paraformaldehyde-primary amine system has been revealed. The stabilization of intermediate acyclic products-aminomethyl(hydroxymethyl)arylphosphines and bis(aminomethyl)arylphosphines-due to amino-imine tautomerism is responsible for the low yield of the target cyclic diphosphines based on the above amines.
引用
收藏
页码：142 / 148
页数：7
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