Synthesis and properties of 1,3-disubstituted ureas and their isosteric analogues containing polycyclic fragments: XX. 1-[(3,5-difluoroadamantan-1-yl)]-3-R-ureas and symmetric diureas
- Autores: Gladkikh B.P.1, Danilov D.V.1, Dyachenko V.S.1,2, Burmistrov V.V.1, Butov G.M.1,2, Novakov I.A.1
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Afiliações:
- Volgograd State Technical University
- VSTU
- Edição: Volume 60, Nº 7 (2024)
- Páginas: 838-847
- Seção: Articles
- URL: https://ter-arkhiv.ru/0514-7492/article/view/676677
- DOI: https://doi.org/10.31857/S0514749224070033
- EDN: https://elibrary.ru/RCDDRJ
- ID: 676677
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Resumo
A method has been developed for the production of (3,5-difluoroadamantan-1-yl) isocyanate from 3,5-difluoroadamantan-1 carboxylic acid and diphenyphosphoryl azide, using a new fluorinating agent, the Ishikawa reagent, at one of the synthesis stages. Reaction of (3,5- difluoroadamantane-1-yl)isocyanate with aliphatic diamines and trans-4-amino(cyclohexyloxy)A series of 1,3-disubstituted urea and dimourea with yields of 43-96% was synthesized with benzoic acid. By hydrolysis of (3,5-difluoroadamantan-1-yl)isocyanate in the presence of catalytic amounts of DBU, a symmetrical 1,3-bis(3,5-difluoroadamantan-1-yl) was obtainedurea with a yield of 47%.The influence of the number of fluorine atoms in the adamantile substituent on the melting temperatures and lipophilicity of urea has been established, which makes it possible to purposefully regulate these important properties of urea as potential enzyme inhibitors.
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Sobre autores
B. Gladkikh
Volgograd State Technical University
Email: butov@post.volpi.ru
ORCID ID: 0000-0001-6271-0479
Rússia, prosp. Lenina 28, Volgograd, 400005
D. Danilov
Volgograd State Technical University
Email: butov@post.volpi.ru
ORCID ID: 0000-0001-8734-2617
Rússia, prosp. Lenina 28, Volgograd, 400005
V. Dyachenko
Volgograd State Technical University; VSTU
Email: butov@post.volpi.ru
ORCID ID: 0000-0002-6209-7106
Volzhsky polytechnic institute (branch) VSTU
Rússia, prosp. Lenina 28, Volgograd, 400005; ul. Engelsa 42a, Volzhsky, 404121V. Burmistrov
Volgograd State Technical University
Email: butov@post.volpi.ru
ORCID ID: 0000-0002-8547-9166
Rússia, prosp. Lenina 28, Volgograd, 400005
G. Butov
Volgograd State Technical University; VSTU
Autor responsável pela correspondência
Email: butov@post.volpi.ru
ORCID ID: 0000-0002-0839-4513
Volzhsky polytechnic institute (branch) VSTU
Rússia, prosp. Lenina 28, Volgograd, 400005; ul. Engelsa 42a, Volzhsky, 404121I. Novakov
Volgograd State Technical University
Email: butov@post.volpi.ru
ORCID ID: 0000-0002-0980-6591
Rússia, prosp. Lenina 28, Volgograd, 400005
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Nota
Сообщение XIX см. [1].