Bibliographic Details
| Title: |
Crystalline and amorphous aluminosilicates with varying pore structures in the synthesis of 1,5-benzodiazepine. |
| Authors: |
Grigorieva, N. G., Bubennov, S. V., Filippova, N. A., Artem'eva, A. S., Bikbaeva, V. R., Kutepov, B. I. |
| Source: |
Russian Chemical Bulletin; Oct2023, Vol. 72 Issue 10, p2357-2365, 9p |
| Subject Terms: |
POROSITY, ALUMINUM silicates, BENZODIAZEPINES, ZEOLITES, ACETONE, PHENYLENEDIAMINES |
| Abstract: |
The catalytic properties of zeolites (microporous H-Y and granular micro-mesomacroporous H-Yh) and amorphous mesoporous aluminosilicate ASM in the reaction of 1,2-phenylenediamine with acetone were studied. The main reaction product was 2,2,4-trimethyl-2,3-dihydro-1H-1,5-benzodiazepine (selectivity up to 99% at a 94% conversion of 1,2-phenylenediamine). For the synthesis of 1,5-benzodiazepine, the most effective was 0.95H-Yh, a granular zeolite with a hierarchical porous structure. The catalyst demonstrated operational stability for three cycles. [ABSTRACT FROM AUTHOR] |
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