FIELD: chemistry.
SUBSTANCE: method for producing alkylquinolines widely used in the manufacture of drugs, fungicides and herbicides, metal corrosion inhibitors, extractants and sorbents, dyes and high-boiling solvents. The method for obtaining 3-methyl-2-ethylquinoline consists in the interaction of 1,2-propanediol with aniline in the presence of a granular zeolite H-ZSM-5h with a high degree of crystallinity, having a hierarchical (micro-meso-macroporous) structure in an autoclave at 200-260°C, molar ratio of aniline: 1,2-propanediol=1:2-4, in the presence of 5-10% catalyst H-ZSM-5h, for 9 hours, in chlorobenzene.
EFFECT: increasing the yield of 3-methyl-2-ethylquinoline, simplifying its synthesis, and reducing the energy and material intensity of the heterocyclization process.
1 cl, 1 tbl, 6 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR JOINT PRODUCTION OF N-PROPYLANILINE AND 2-ETHYL-3-METHYLQUINOLINE | 2022 |
|
RU2797946C1 |
| METHOD FOR PRODUCING QUINOLINES | 2022 |
|
RU2786740C1 |
| METHOD FOR PRODUCING 3-METHYL-2-ETHYL-N-PHENYL-1,2,3,4-TETRAHYDROCHYNOLINE-4-AMINE | 2023 |
|
RU2808560C1 |
| METHOD FOR OBTAINING QUINOLINES IN THE PRESENCE OF HIERARCHICAL ZEOLITE H-ZSM-5mmm | 2021 |
|
RU2789409C1 |
| METHOD OF PRODUCING QUINOLINE BY SKRAUP REACTION IN PRESENCE OF HIERARCHICAL ZEOLITE H-ZSM-5MMM | 2020 |
|
RU2740912C1 |
| METHOD OF PRODUCING QUINOLINES BY SKRAUP REACTION IN PRESENCE OF HIERARCHICAL ZEOLITE H-YMMM | 2019 |
|
RU2738603C1 |
| METHOD FOR OBTAINING QUINOLINES IN THE PRESENCE OF HIERARCHICAL ZEOLITE H-Y-mmm | 2021 |
|
RU2789408C1 |
| METHOD OF PRODUCING 2,3-DIALKYLQUINOLINES | 2018 |
|
RU2690535C1 |
| METHOD OF PRODUCING 2,3-DIALKYLQUINOLINES | 2018 |
|
RU2688228C1 |
| METHOD OF PRODUCING 2,2,4-TRIALKYL-2,3-DIHYDRO-1H-1,5-BENZODIAZEPINES | 2019 |
|
RU2702358C1 |
