Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Hang-Yi Tai"'
Autor:
Hang-Yi Tai, 戴航儀
100
Piperidine derivatives usually have a significant biological activity. This study is divided into two themes : ( 1 ) To synthesize different derivatives from 3-substituded piperidines under acidic condition and using ring closing metathesis.
Piperidine derivatives usually have a significant biological activity. This study is divided into two themes : ( 1 ) To synthesize different derivatives from 3-substituded piperidines under acidic condition and using ring closing metathesis.
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/66376654568925293333
Publikováno v:
Tetrahedron Letters. 55:6482-6485
A facile route toward substituted aryl diarylvinyl ethers 4 is developed from CuI-mediated cross-coupling reaction of substituted phenols 2 with diarylvinyl bromides 3 in the presence of various bidentate-based ligands in DMF. Skeleton 3 is prepared
Autor:
Hang-Yi Tai, Meng-Yang Chang
Publikováno v:
Synthetic Communications. 43:3363-3372
A convenient preparation of racemic 2-substituted 9,10-anthraquinones that included 2-triazoylethyl skeleton 1 and 2-alkylethyl skeleton 6 is reported. The products were obtained in good yields by a three- or four-step synthetic route based on a sequ
Publikováno v:
Tetrahedron Letters. 54:3194-3198
A one-pot protocol toward several substituted nitroolefins 4 and 6 starting with substituted acetones 2 and 5 was described. A facile process was carried out for the triflation of substituted acetones 2 and 5 with triflic anhydride (Tf2O) under the b
Publikováno v:
Tetrahedron. 68:7941-7948
A facile three-step synthetic route toward 1,3-diaryl-1H-benzo[g]indazoles 1a–1n starting with 3,4-dimethoxy-2-allylbenzaldehyde (6) in modest total yield is described. The facile route was carried by aldol condensation of aldehyde 6 with aryl meth
Publikováno v:
Organic Letters. 14:3936-3939
A facile two-step synthetic route for preparing the novel tetracyclic skeleton of benzofused 2,6-diaryl-1-azahomoisotwistanes 2 had been developed. The route was carried out by a one-pot tandem cross-coupling reaction of o-allylbenzaldehydes 1 with a
Publikováno v:
Tetrahedron. 67:7673-7680
A new method for synthesis of rodocaine (1) is presented. Two key steps were carried out by the N-bromosuccinimide (NBS)-mediated intermolecular addition of known enamine 5 with allyltrimethyl silane in presence of boron trifluoride etherate (BF3/OEt
Autor:
Hang-Yi Tai, Meng-Yang Chang
Publikováno v:
ChemInform. 45
Racemic 2-triazolyl or 2-alkylethyl 9,10-anthraquinone derivatives [(V), (X), and (XI)] are efficiently synthesized in good yields by a three- or four-step procedure involving bromination, nucleophilic substitution, and CuI-promoted 1,3-dipolar cyclo
Publikováno v:
ChemInform. 44
A one-pot two-step procedure is developed for the synthesis of a wide variety of nitroolefins via triflation of ketones and subsequent Pd-catalyzed coupling of the enol triflates with NaNO2.
Publikováno v:
ChemInform. 44
Title compounds are synthesized by the present new three-step procedure starting from dimethoxyallylbenzaldehyde (I).