Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Guofang Qiu"'
Autor:
Alan R. Katritzky, Alina Silina, Dmytro O. Tymoshenko, Guofang Qiu, Satheesh K. Nair, Peter J. Steel
Publikováno v:
ARKIVOC, Vol 2001, Iss 7, Pp 138-144 (2001)
Externí odkaz:
https://doaj.org/article/0fdc5fccc68e4aeda5af7124882f5c4a
Publikováno v:
The FASEB Journal. 30
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc4a630f74231b9b6e8139fe28d80569
https://doi.org/10.1096/fasebj.30.1_supplement.804.5
https://doi.org/10.1096/fasebj.30.1_supplement.804.5
Publikováno v:
The FASEB Journal. 30
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c0f2e9715829e14c31f84119612b4bc
https://doi.org/10.1096/fasebj.30.1_supplement.804.4
https://doi.org/10.1096/fasebj.30.1_supplement.804.4
Publikováno v:
Science China Information Sciences. 53:1397-1408
Extent-intent and intent-extent operators are introduced between two complete lattices in this paper and a mathematical model for concept granular computing system is established. We proved that the set of all concepts in this system is a lattice wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::210e4d04e18d11a40bb3c8dbcff1113d
https://doi.org/10.1007/s11432-010-3092-z
https://doi.org/10.1007/s11432-010-3092-z
Publikováno v:
Science in China Series F: Information Sciences. 50:188-197
The concept of a consistent approximation representation space is introduced. Many types of information systems can be treated and unified as consistent approximation representation spaces. At the same time, under the framework of this space, the jud
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c782d47a070421d18baa9b19633f7c52
https://doi.org/10.1007/s11432-007-0017-6
https://doi.org/10.1007/s11432-007-0017-6
Autor:
Dmytro O. Tymoshenko, Alina Silina, Guofang Qiu, Satheesh K. Nair, Peter J. Steel, Alan R. Katritzky
Publikováno v:
ARKIVOC, Vol 2001, Iss 7, Pp 138-144 (2001)
α-Benzotriazolylalkyl ketone 9, easily prepared from α-chloroacetophenone and benzotriazole, react readily with arylacetamides 7 and aldehydes 8 to give single regioisomers of polysubstituted 3-aryl-2(1H)-pyridinones 10 in moderate to good yields.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef6d87496633332425c064b01ad1bfdb
https://www.arkat-usa.org/arkivoc-journal/browse-arkivoc/ark.5550190.0002.711
https://www.arkat-usa.org/arkivoc-journal/browse-arkivoc/ark.5550190.0002.711
Autor:
Baozhen Yang, Guofang Qiu, Olga V. Denisko, Alan R. Katritzky, Shannon Davis, Ming Qi, Jiangchao Yao, Weilang Bao, Jingen Zhang
Publikováno v:
Journal of Applied Polymer Science. 81:85-90
A number of N-substituted poly(aspartic acid)s was prepared under mild conditions using the silylation–alkylation technique. Their physical properties were studied. Free swelling capacity (FSC) tests were performed for polymers obtained by crosslin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44e400b0b4485aab2ed51eb47a58a927
https://doi.org/10.1002/app.1416
https://doi.org/10.1002/app.1416
Publikováno v:
The Journal of Organic Chemistry. 65:3683-3689
1-Phenyl-5-(benzotriazol-1-yl)hexahydro-1H-pyrrolo[1,2-a]ĭmidazole (18) and 1-phenyl-5-benzotriazolyloctahydroimidazo[1,2-a]pyridine (27) were readily prepared from succindialdehyde or glutaraldehyde, benzotriazole, and N-phenylethylenediamine. Synt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d4b6461d153130727a8ddc6d4657730
https://doi.org/10.1021/jo991881z
https://doi.org/10.1021/jo991881z
Publikováno v:
The Journal of Organic Chemistry. 64:7618-7621
Indolizines and pyrrolo[2,1-a]isoquinolines are synthesized by 1,3-dipolar cycloadditions of pyridinium benzotriazolylmethylides or isoquinolinium benzotriazolylmethylides with ethylenes and acetylenes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85b69bcea08d623aea507a21cb9e75e5
https://doi.org/10.1021/jo9906936
https://doi.org/10.1021/jo9906936
Publikováno v:
Journal of Heterocyclic Chemistry. 36:473-476
Treatment of 10-(benzotriazol-1-yl)alkylphenothiazine with electron-rich alkenes in the presence of zinc bromide gave tetracyclic phenothiazines 4 and 9 as well as pentacyclic phenothiazines 5, which have potential use in the pharmaceutical industry.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14b804e26b8da03164f0474d0b46252a
https://doi.org/10.1002/jhet.5570360223
https://doi.org/10.1002/jhet.5570360223