28218-71-5

• 常用中文名：4,4-二甲氧基四氢-4H-吡喃
• 常用英文名：4,4-dimethoxyoxane
• CAS号：28218-71-5
• 分子式：C₇H₁₄O₃
• 分子量：146.18400
• 发布时间：2018-12-31 12:43:06
• 更新时间：2024-01-02 13:59:14

名称

• 中文名: 4,4-二甲氧基四氢-4H-吡喃
• 英文名: 4,4-dimethoxyoxane
• 英文别名: 2H-Pyran,tetrahydro-4,4-dimethoxy; tetrahydropyran-4-one dimethyl acetal; 4,4-dimethoxytetrahydro-2H-pyran; 4,4-dimethoxy-tetrahydro-pyran; 4,4-dimethoxy-tetrahydro-4H-pyran

物化性质

• 密度: 1.042 g/mL at 20ºC(lit.)
• 沸点: 172ºC at 760 mmHg
• 分子式: C₇H₁₄O₃
• 分子量: 146.18400
• 闪点: 53.9ºC
• 精确质量: 146.09400
• PSA: 27.69000
• LogP: 0.78590
• 蒸汽压: 1.81mmHg at 25°C
• 折射率: 1.431

安全

• WGK德国: 3
• 海关编码: 2932999099

合成路线

29943-42-8 149-73-5 ~% 28218-71-5

文献：NOVARTIS AG; ANTONIOS-MCCREA, William, R.; BARSANTI, Paul, A.; HU, Cheng; JIN, Xianming; MARTIN, Eric, J.; PAN, Yue; PFISTER, Keith, B.; SENDZIK, Martin; SUTTON, James; WAN, Lifeng Patent: WO2012/66070 A1, 2012 ; Location in patent: Page/Page column 91-92 ; WO 2012/066070 A1

84302-42-1 149-73-5 ~% 28218-71-5

文献：NOVARTIS AG; PFISTER, Keith B; SENDZIK, Martin Patent: WO2011/26917 A1, 2011 ; Location in patent: Page/Page column 66 ; WO 2011/026917 A1

29943-42-8 67-56-1 ~97% 28218-71-5

文献：Clerici, Angelo; Pastori, Nadia; Porta, Ombretta Tetrahedron, 2001 , vol. 57, # 1 p. 217 - 225

29943-42-8 77-76-9 ~78% 28218-71-5

文献：Bird; Olivier Bioorganic and Medicinal Chemistry Letters, 1996 , vol. 6, # 5 p. 515 - 520

29943-42-8 ~85% 28218-71-5

文献：ABBOTT LABORATORIES; ABBOTT LABORATORIES TRADING (SHANGHAI) COMPANY, LTD.; WANG, Xueqing; MEYER, Michael; YAO, Betty; GUO, Tao; WEI, Guo Ping,Robert; WANG, Lijuan, Jane Patent: WO2013/10453 A1, 2013 ; Location in patent: Page/Page column 153 ;

上下游产品

上游产品  5
29943-42-8 149-73-5 84302-42-1 67-56-1
77-76-9
下游产品  4
624734-19-6 155650-56-9 175982-78-2 17327-22-9

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%