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3,3,6,6,9-pentamethyl-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione

更新时间:2024-04-02 19:16:14

3,3,6,6,9-pentamethyl-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione结构式
3,3,6,6,9-pentamethyl-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione结构式
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常用名 3,3,6,6,9-pentamethyl-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione 英文名 3,3,6,6,9-pentamethyl-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione
CAS号 19225-63-9 分子量 288.38100
密度 1.12g/cm3 沸点 417.5ºC at 760 mmHg
分子式 C18H24O3 熔点 N/A
MSDS N/A 闪点 183ºC

 名称

英文名 3,3,6,6,9-pentamethyl-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione
英文别名 更多

 物理化学性质

密度 1.12g/cm3
沸点 417.5ºC at 760 mmHg
分子式 C18H24O3
分子量 288.38100
闪点 183ºC
精确质量 288.17300
PSA 43.37000
LogP 3.93910
蒸汽压 3.51E-07mmHg at 25°C
折射率 1.537

 合成线路

~86%

3,3,6,6,9-pentamethyl-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione结构式

3,3,6,6,9-penta...

19225-63-9

文献:Khalafi-Nezhad, Ali; Panahi, Farhad; Mohammadi, Somayeh; Foroughi, Habib Ollah Journal of the Iranian Chemical Society, 2013 , vol. 10, # 2 p. 189 - 200

~92%

3,3,6,6,9-pentamethyl-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione结构式

3,3,6,6,9-penta...

19225-63-9

文献:Singh, Kamaljit; Singh, Jasbir; Singh, Harjit Tetrahedron, 1996 , vol. 52, # 45 p. 14273 - 14280

~%

3,3,6,6,9-pentamethyl-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione结构式

3,3,6,6,9-penta...

19225-63-9

文献:Horning; Horning Journal of Organic Chemistry, 1946 , vol. 11, p. 95,97, 98

~%

3,3,6,6,9-pentamethyl-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione结构式

3,3,6,6,9-penta...

19225-63-9

文献:Prager, Rolf H.; Were, Stephen T. Australian Journal of Chemistry, 1991 , vol. 44, # 11 p. 1635 - 1641

 英文别名

Acetaldehyd-bismethon-anhydrid
3,3,6,6,9-pentamethyl-2,3,4,5,6,7,8,9-octahydro-1H-xanthene-1,8-dione
3,3,6,6,9-Pentamethyl-3,4,5,6,7,9-hexahydro-2H-xanthene-1,8-dione
3,3,6,6,9-Pentamethyl-3,4,5,6,7,9-hexahydro-2H-xanthen-1,8-dion
1,8-dioxo-3,3,6,6,9-pentamethyl-1,2,3,4,5,6,7,8-octahydroxanthene