Studies on Synthesis of Cyclic Conjugate Diynene Systems
Studies on Synthesis of Cyclic Conjugate Diynene Systems
批准号:
01571165
负责人:
YOKOMATSU Tsutomu
金额:
$0.83万
依托单位国家:
日本
项目类别:
Grant-in-Aid for General Scientific Research (C)
财政年份:
1989
资助国家:
日本
项目状态:
已结题
起止时间:
1989 至 1990
中文摘要
1)合成双环[3,3,1]正庚烷体系的尝试亚砜(2)分几步转化为酸性氯化物(4)。1,4-二甲氧基苯在Lewis酸存在下用4进行酰化反应得到5,产率很低。2)以环氧烯烃(8)为原料合成了共轭二炔体系(12)三氟乙烯酯(11),如下图所示。
英文摘要
1) An attempt to synthesize bicyclo [3, 3, 1] nonane systemsSulfoxide (2) was transformed to acid chloride (4) in several steps. Acylation of 1, 4-dimethoxybenzene by use of 4 in the presence of Lewis acid gave 5 in a miserable yield.2) A synthesis of conjugate diynene systems (12)Vinyl triflate (11) was synthesized from cycloalkene oxide (8) as shown in following scheme. Transformation of 11 to 12 is being under investigation.
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Development of biologically active compounds based on features of phosphonyl and phosphinyl functional groups
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批准号:21590126
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$3.0万
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财政年份:2009
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负责人:YOKOMATSU Tsutomu
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依托单位:
Application of difluoromethylene phosphonic acids to development of biologically active nucleotides
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批准号:17590097
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$2.18万
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财政年份:2005
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负责人:YOKOMATSU Tsutomu
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依托单位:
Study on synthesis of biologically active compounds based on modification of biological phosphates
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批准号:15590101
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$1.92万
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财政年份:2003
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负责人:YOKOMATSU Tsutomu
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依托单位:
Synthesis and Biological Evaluation of Difluoromethylenephosphonic Acid Derivatives
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批准号:10672001
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$1.79万
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财政年份:1998
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负责人:YOKOMATSU Tsutomu
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依托单位: