51656-91-8

• 常用中文名：2-(1,4-二氧杂螺[4.5]癸-8-亚基)乙酸乙酯
• 常用英文名：ethyl 2-(1,4-dioxaspiro[4.5]decan-8-ylidene)acetate
• CAS号：51656-91-8
• 分子式：C₁₂H₁₈O₄
• 分子量：226.26900
• 发布时间：2016-10-18 16:50:15
• 更新时间：2024-04-05 13:10:42

名称

• 中文名: 2-(1,4-二氧杂螺[4.5]癸-8-亚基)乙酸乙酯
• 英文名: Ethyl 1,4-dioxaspiro[4.5]dec-8-ylideneacetate
• 英文别名: MFCD07779434

物化性质

• 密度: 1.13g/cm3
• 沸点: 327.8ºC at 760 mmHg
• 分子式: C₁₂H₁₈O₄
• 分子量: 226.26900
• 闪点: 143.1ºC
• 精确质量: 226.12100
• PSA: 44.76000
• LogP: 1.79300
• 折射率: 1.5
• 储存条件: 2-8℃，惰性气体

安全

• 危害码 (欧洲): Xn
• 海关编码: 2932999099

合成路线

4746-97-8 ~93% 51656-91-8

文献：Schering Corporation Patent: US2006/264489 A1, 2006 ; Location in patent: Page/Page column 77-78 ;

4746-97-8 867-13-0 ~99% 51656-91-8

文献：Toyota, Masahiro; Seishi, Takashi; Yokoyama, Masaru; Fukumoto, Keiichiro; Kabuto, Chizuko Tetrahedron, 1994 , vol. 50, # 4 p. 1093 - 1104

867-13-0 637-88-7 ~76% 51656-91-8

文献：Gobbi, Luca; Jaeschke, Georg; Rodriguez Sarmiento, Rosa Maria; Steward, Lucinda Patent: US2009/42943 A1, 2009 ; Location in patent: Page/Page column 15 ; US 20090042943 A1

4746-97-8 1099-45-2 ~99% 51656-91-8

文献：Stocks, Paul A.; Bray, Patrick G.; Barton, Victoria E.; Al-Helal, Mohammed; Jones, Michael; Araujo, Nuna C.; Gibbons, Peter; Ward, Stephen A.; Hughes, Ruth H.; Biagini, Giancarlo A.; Davies, Jill; Amewu, Richard; Mercer, Amy E.; Ellis, Gemma; O'Neill, Paul M. Angewandte Chemie - International Edition, 2007 , vol. 46, # 33 p. 6278 - 6283

107-21-1 159454-98-5 ~91% 51656-91-8

文献：Srikrishna, Adusumilli; Kumar, P. Praveen; Viswajanani, Ranganathan Tetrahedron Letters, 1996 , vol. 37, # 10 p. 1683 - 1686

4746-97-8 311-46-6 ~% 51656-91-8

文献：Ciufolini; Byrne Journal of the American Chemical Society, 1991 , vol. 113, # 21 p. 8016 - 8024

637-88-7 ~% 51656-91-8

文献：Srikrishna; Rao; Gharpure; Babu Synlett, 2001 , # 12 p. 1986 - 1988

4746-97-8 35752-46-6 ~% 51656-91-8

文献：Urrutia, Anahi; Rodriguez, J. Gonzalo Tetrahedron Letters, 1998 , vol. 39, # 23 p. 4143 - 4146

4746-97-8 38868-10-9 ~% 51656-91-8

文献：Inoue, Hirohumi; Murata, Shizuaki; Suzuki, Toshiyasu Liebigs Annalen der Chemie, 1994 , # 9 p. 901 - 910

上下游产品

上游产品  9
4746-97-8 867-13-0 637-88-7 1099-45-2
107-21-1 159454-98-5 311-46-6 35752-46-6
38868-10-9
下游产品  0

海关

海关编码	2932999099
中文概述	2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素	品名, 成分含量, 用途
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%