Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Tsung-Ho Lee"'
Publikováno v:
Chemistry - An Asian Journal. 3:1422-1429
The synthesis of a series of bicyclo[4.2.2]octenones and bicyclo[3.2.2]heptenones by 1,3- or 1,2-migration reaction from 2-vinylbicyclo[2.2.2]octenols is reported. These ring-expansion reactions were accomplished under basic or neutral conditions. Wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1c6d76b82f249787e376edcfc1de9d5
https://doi.org/10.1002/asia.200800113
https://doi.org/10.1002/asia.200800113
Autor:
San Ko, Tsung-Ho Lee, Wen-Cheng Liu, Chitneni Prasad Rao, Chun-Chen Liao, Santhosh Kumar Chittimalla, Wan-Jinq Juo
Publikováno v:
The Journal of Organic Chemistry. 72:7992-8004
The levels of diastereoselection attainable by addition of vinylmagnesium bromide to a selection of bicyclo[2.2.2]octenone derivatives 1-6 in the presence of various Lewis acids such as LiBr, CeCl3, TiCl4, ZnBr2, MgBr2, and Et2AlCl have been determin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9af8633ff91c03fd6d291492b81b2f0
https://doi.org/10.1021/jo701401f
https://doi.org/10.1021/jo701401f
Publikováno v:
The Journal of Organic Chemistry. 64:4111-4118
Intramolecular Diels−Alder reactions of in situ generated masked o-benzoquinones are described. Oxidation of methyl vanillate (2) in the presence of allyl alcohol (1a), trans-crotyl alcohol (1b), cinnamyl alcohol (1c), and homoallyl alcohol (1d) re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2b83f268f02ca19e6f6633115d0ea4e
https://doi.org/10.1021/jo990232k
https://doi.org/10.1021/jo990232k
Autor:
Ling-Duan Song, Polisetti Dharma Rao, Chrong-Shyua Chu, Huey-Chin Shiao, San Ko, Chun-Chen Liao, Tsung-Ho Lee
Publikováno v:
The Journal of Organic Chemistry. 64:4102-4110
Diels−Alder reactions of labile and readily dimerizing masked o-benzoquinones, i.e., substituted 6,6-dimethoxy-2,4-cyclohexadienones with electron-deficient dienophiles that resulted in the development of an efficient and reliable one-pot method fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6ff499ca01e6f56a46d267a724d1a57
https://doi.org/10.1021/jo9901891
https://doi.org/10.1021/jo9901891
Autor:
Tsung-Ho Lee, Chun-Chen Liao
Publikováno v:
Tetrahedron Letters. 37:6869-6872
A stereocontrolled synthesis of the title acid (±)- 1 in 19 steps and 6 % overall yield is described. The structure of (±)- 1 was confirmed by X-ray diffraction study of its ethyl ester. The structure of our synthetic (±)- 1 differs from that of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4138ee0c298cc17eaea67871e6075000
https://doi.org/10.1016/0040-4039(96)01500-6
https://doi.org/10.1016/0040-4039(96)01500-6
Publikováno v:
Tetrahedron Letters. 37:5897-5900
Efficient and stereocontrolled four-step preparations of cis -decalin and bicyclo[4.2.2]dec-7-en-4-one derivatives from commercially available 2-methoxy-phenols are described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c636ead8c525f29b409171c2683ba444
https://doi.org/10.1016/0040-4039(96)01271-3
https://doi.org/10.1016/0040-4039(96)01271-3
Publikováno v:
ChemInform. 30
Several substituted 3,3-dialkoxy-5-methoxycarbonylbicyclo[2.2.2]oct-5-en-2-ones underwent unusual oxidative decarbonylation to produce polysubstituted cyclohexenes upon direct irradiation and usual ODPM rearrangement under sensitized conditions. A pl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7df4645fc86e4e433c8ceb85f81115eb
https://doi.org/10.1002/chin.199934067
https://doi.org/10.1002/chin.199934067
Publikováno v:
ChemInform. 30
Intramolecular Diels−Alder reactions of in situ generated masked o-benzoquinones are described. Oxidation of methyl vanillate (2) in the presence of allyl alcohol (1a), trans-crotyl alcohol (1b), cinnamyl alcohol (1c), and homoallyl alcohol (1d) re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::558733fdaf2eb0074cec7b676f2083b5
https://doi.org/10.1002/chin.199941069
https://doi.org/10.1002/chin.199941069
Autor:
San Ko, Huey-Chin Shiao, Tsung-Ho Lee, Polisetti Dharma Rao, Chun-Chen Liao, Chrong-Shyua Chu, Ling-Duan Song
Publikováno v:
ChemInform. 30
Diels−Alder reactions of labile and readily dimerizing masked o-benzoquinones, i.e., substituted 6,6-dimethoxy-2,4-cyclohexadienones with electron-deficient dienophiles that resulted in the development of an efficient and reliable one-pot method fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::769022c9b2f28e41609b2214ac69a45b
https://doi.org/10.1002/chin.199942092
https://doi.org/10.1002/chin.199942092
Publikováno v:
ChemInform. 40
The synthesis of a series of bicyclo[4.2.2]octenones and bicyclo[3.2.2]heptenones by 1,3- or 1,2-migration reaction from 2-vinylbicyclo[2.2.2]octenols is reported. These ring-expansion reactions were accomplished under basic or neutral conditions. Wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::551efeea50f836dec317347566f3b83f
https://doi.org/10.1002/chin.200901066
https://doi.org/10.1002/chin.200901066