新疆大学化学化工学院,新疆大学化学化工学院,新疆大学化学化工学院 新疆乌鲁木齐830046,南开大学元素有机化学国家重点实验室,天津300071,新疆乌鲁木齐830046,新疆,乌鲁木齐,830046
纸质出版:2006
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[1]曹玲华,杨金凤,田晓红.新型胍基半乳糖苷的合成及生物活性研究[J].新疆大学学报(自然科学版),2006(03):264-270.
曹玲华, 杨金凤, 田晓红. 新型胍基半乳糖苷的合成及生物活性研究[J]. Journal of Xinjiang University (Natural Science Edition in Chinese and English), 2006, (3).
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3
4
6-四-O-乙酰基-β-D-半乳吡喃糖基异硫氰酸酯1与2-氨基-4/6-取代苯并噻唑2a~2d反应
生成糖基硫脲衍生物(3a~3d)
再在仲胺存在下经氯化汞脱硫
得到一系列新的多乙酰基胍基糖苷类化合物(4a~7a
4b~7b)
糖基的保护基团在甲醇/甲醇钠条件下脱除
得到游离羟基的胍基糖苷(4c~7c
4d~7d).所有新化合物的结构均经IR
1H NM R
M S谱和元素分析证实
所得产物均为β-构型.对代表性化合物的生物活性测试结果表明
与相应的葡萄糖基胍相比
半乳糖基胍类化合物对H IV-1蛋白酶
血管紧张素转化酶(ACE)的抑制活性较差.
The reaction of 2
3
4
6-tetra\$-O-\$acetyl\$-β-D-\$galactopyranosyl isothiocyanate 1 and 2-amino-4/6-substituted benzothiazoles 2a~2d gave galactosylthioureas (3a~3d)
which then reacted with secondary amine in the presence of HgCl_2to afford a series of new peracetylated guanidinogalactosides (4a~7a
4b~7b).Deacetylation of glycosyl was carried on the CH_3OH/CH_3ONa solution and unprotected guanidinogalactosides (4c~7c
4d~7d) were obtained.The structures of the new compounds were established on the basis of elemental analyses
IR
~1H NMR and MS spectra data and all compounds took \$β-\$configuration.The biological activities of these compounds have been evaluated.Bioassay indicates that guanidinogalactosides show little anti-HIV-1 PR activity and little anti-angiotensin converting enzyme (ACE) activity in comparison with guanidinoglucosides.
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BAKER T J,TOR.Y,GOODM AN M,et a l.Syn thes is and an ti-H IV activ ity of guan id inog lycos ides[J].J.O rg.Chem.2000,65(26):9054-9058.
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曹玲华,周传健,刘育亭,等.N-糖基硫代亚脲基-(硫代)磷酰胺二芳基酯和二烷基酯的合成[J].有机化学.2003,23(4):356-360.
李东乃,姜贵吉,李京淑.1-(2-苯并噻唑基)-3-苯基吡唑啉类化合物的合成[J].高等学校化学学报,1990,11(2):205-207.
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(a)史合方,曹玲华.N-烷基/芳基-N′-(4-芳基噻唑-2-基)-N″-糖基胍的合成及生物活性研究[J].有机化学,2005,25(9):1066-1070.(b)赵生敏,潘鑫复,张功成,等.相转移催化法合成1-O-酰基-四-O-乙酰基-β-D-吡喃己糖[J].有机化学,1998,18(4):324-327.
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