Zobrazeno 1 - 10
of 19
pro vyhledávání: '"En-Chiuan Chang"'
Publikováno v:
Arabian Journal of Chemistry, Vol 12, Iss 8, Pp 1908-1917 (2019)
New polysubstituted N-arylpyrazole derivatives were synthesized from N1-arylsydnone with acetylene and boronic acid, including 2-thiophenyl, 3-thiophenyl, 2-benzo[b]thiophenyl, or dibenzothiophenyl-4-boronic acid, via 1,3-dipolar cycloaddition and Su
Externí odkaz:
https://doaj.org/article/ba4bcb352881465b8962b8a273148a61
Autor:
En-Chiuan Chang, 張恩銓
95
In this study, I had synthesized a series of pyrazole derivatives, and applied in organic electro-luminescence devices. The series of pyrazole derivatives were all synthesized from sydnone via 1,3-dipolar cycloaddition. Organic light-emitting
In this study, I had synthesized a series of pyrazole derivatives, and applied in organic electro-luminescence devices. The series of pyrazole derivatives were all synthesized from sydnone via 1,3-dipolar cycloaddition. Organic light-emitting
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/60169640570777845151
Autor:
Naoto Uramaru1, En-Chiuan Chang2, Wan-Ping Yen3, Mou-Yung Yeh4, Shin-Hun Juang3,4, Fung Fuh Wong3 ffwong@mail.cmu.edu.tw
Publikováno v:
Current Trends in Biotechnology & Pharmacy. 2023 Supplement, Vol. 17, p75-75. 1p.
Publikováno v:
Heteroatom Chemistry. 25:171-177
A new series of 1,3,4-oxadiazole-based aromatic and heterocyclic/phenylpyrazole derivatives 6a–c, 7a–d, and 8 were synthesized via sequential 1,3-dipolar cyclization, hydrazidation, benzoylation, dehydrative cyclization, and the Suzuki coupling r
Publikováno v:
Tetrahedron. 69:570-576
An efficient method for synthesis of 5-arylamino-1-arylpyrazoles was developed by Ullman coupling reaction of 5-aminopyrazoles and arylhalides in the presence of cuprous iodide (CuI) as the catalyst. The corresponding 5-N-arylaminopyrazole products w
Autor:
Mou Yung Yeh, Chun Hsi Chang, Yun Hwei Shen, Shaw Bing Wen, Ya Lan Wen, Fung Fuh Wong, En Chiuan Chang
Publikováno v:
Tetrahedron. 68:5920-5924
Two regioisomers of 2-arylpyrazolo[3,4-c]quinolin-4(5H)-ones and 2-arylpyrazolo[4,3-c]quinolin-4(5H)-ones were synthesized by utilizing 3-arylsydnones, ethyl 3-bromopropynoate, and 2-aminophenylboronic acid pinacol ester in presence of catalytic agen
Publikováno v:
Journal of Macromolecular Science, Part A. 44:831-837
In this study, a new electroluminescent poly(2‐decyloxy‐5‐(4′‐tert‐butylphenyl)‐1,4‐phenylene‐vinylene) (designated as DBP‐PPV) with no tolane‐bis–benzyl (TBB) structure defect was prepared by dehydrohalogenation of 1,4‐bisb
Publikováno v:
International Journal of Polymeric Materials. 56:483-498
A new soluble luminescent poly[2-decyloxy-5-(2′,5′-bis(decyloxy)phenyl)-1,4-phenylenevinylene] (DBDP-PPV) is prepared by the dehydrohalogenation of 1,4-bis(bromomethyl)-2-decyloxy-5-(2′,5′-bis(decyloxy)phenyl) benzene (as monomer) in this stu
Publikováno v:
Polymer Engineering & Science. 47:1380-1387
Two soluble fluorescent polymers, poly(2-decyloxy-5-(4′-tert-butylphenyl)-1,4-phenylenevinylene) (DtBP-PPV) and poly(2-decyloxy-1,4-phenylenevinylene) (DO-PPV), were prepared by a method similar to the Gilch procedure. The DtBP-PPV and DO-PPV have
Publikováno v:
Synlett. 2006:901-904
Pyrazole-based DHODase inhibitors have been efficient and conveniently synthesized in 51-60% yield from 3-(p-aryl)-4-cyanosydnone via regioselective 1,3-diploar cycloaddition followed by an amidation and a Ritter reaction.