Diastereofacial intermolecular 1,3-dipolar cycloaddition of D-galactose derived nitrone with allyl alcohol followed by tosylation afforded, in a 1:1 ratio endo- and exo-isooxazolidines 4a and 4b with complete diastereoselectivity at the nitrone carbon. The N-O bond reductive cleavage and S(N)2 displacement afforded the pyrrolidine ring with a galactose appendage that on acetonide cleavage and reductive amino-cyclization afforded pentahydroxylated perhydroazaazulenes 1a and 1b. (C) 2007 Elsevier Ltd. All rights reserved.
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Harbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R ChinaHarbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R China
Zheng, Lewei
Gao, Fei
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Harbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R ChinaHarbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R China
Gao, Fei
Yang, Chao
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Harbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R ChinaHarbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R China
Yang, Chao
Gao, Guo-Lin
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Harbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R ChinaHarbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R China
Gao, Guo-Lin
Zhao, Yating
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Harbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R ChinaHarbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R China
Zhao, Yating
Gao, Yuan
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Yantai Univ, Sch Chem & Chem Engn, 30 Qingquan Rd, Yantai 264005, Peoples R ChinaHarbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R China
Gao, Yuan
Xia, Wujiong
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Harbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R ChinaHarbin Inst Technol Shenzhen, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R China
机构:Slovak Univ Technol Bratislava, Dept Organ Chem, SK-81237 Bratislava, Slovakia
Dugovic, B
Fisera, L
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Slovak Univ Technol Bratislava, Dept Organ Chem, SK-81237 Bratislava, SlovakiaSlovak Univ Technol Bratislava, Dept Organ Chem, SK-81237 Bratislava, Slovakia
Fisera, L
Hametner, C
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Hametner, C
Prónayová, N
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