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学科主题: 氟化学
题名: 1,3-Dipolar cycloaddition reaction of 3-trifluoromethyl-4-diazopyrazolinones with acetylenedicarboxylates
其他题名: 三氟甲基吡唑酮重氮类化合物与丁炔酸二乙酯的1,3-偶极环加成反应
作者: Zhang ZH(张振华) ; Wang XW(王晓炜) ; Song T(宋涛) ; Zhu SZ(朱仕正)
通讯作者: 朱仕正
刊名: Tetrahedron
发表日期: 2012
卷: 68, 期:30, 页:5969-5978
收录类别: SCI
部门归属: 中科院上海有机化学研究所; 青岛科技大学
英文摘要: Refluxing of 3-trifluoromethyl-4-diazopyrazolinones 1 with dimethyl acetylenedicarboxylates 2 in toluene for 48 h afforded trifluoromethyl-substituted pyrazolo [1,5-d][1,2,4]triazin-7-ones, which resulted from the [3+2] dipolar cycloaddition followed by a rearrangement of the initially produced spiro 3H-pyrazole adducts. However, when 1 was heated to 160 degrees C in dichlorobenzene (o-DCB) for 8 h, it lost nitrogen and reacted with 2 to give 3-trifluoromethyl furo[2,3-c]pyrazoles. (C) 2012 Elsevier Ltd. All rights reserved.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000306042000002
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/28227
Appears in Collections:中科院有机氟化学重点实验室_期刊论文

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Recommended Citation:
Zhang ZH,Wang XW,Song T,et al. 1,3-Dipolar cycloaddition reaction of 3-trifluoromethyl-4-diazopyrazolinones with acetylenedicarboxylates[J]. Tetrahedron,2012,68(30):5969-5978.
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