274658
2,3,4,5-四甲基-2-环戊烯酮，顺反异构体混合物
95%
别名:
2,3,4,5-Tetramethyl-2-cyclopenten-1-one, 2,3,4,5-Tetramethylcyclopenten-1-one, 2,3,4,5-Tetramethylcyclopentenone, Tetramethylcyclopent-2-enone
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所有图片(1)
About This Item
经验公式（希尔记法）:
C9H14O
CAS号:
分子量:
138.21
Beilstein:
2324088
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22
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质量水平
方案
95%
表单
liquid
折射率
n20/D 1.476 (lit.)
沸点
100 °C/30 mmHg (lit.)
密度
0.917 g/mL at 25 °C (lit.)
官能团
ketone
SMILES字符串
CC1C(C)C(=O)C(C)=C1C
InChI
1S/C9H14O/c1-5-6(2)8(4)9(10)7(5)3/h5,7H,1-4H3
InChI key
ARUAYSANQMCCEN-UHFFFAOYSA-N
应用
2,3,4,5-Tetramethyl-2-cyclopentenone was used in the synthesis of chiral pre-ligands, (R)-3,3′-bis(tetramethylcyclopentadienyl)-2,2′-bismethoxy-1,1′-bisnaphthalene and (R)-3-tetramethylcyclopentadienyl-2,2′-bismethoxy-1,1′-bisnaphthalene by reacting with (R)-3,3′-dilithium-2,2′-bismethoxy-1,1′-bisnaphthalene.
储存分类代码
10 - Combustible liquids
WGK
WGK 3
闪点(°F)
163.4 °F - closed cup
闪点(°C)
73 °C - closed cup
个人防护装备
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
法规信息
新产品
Li Wang et al.
Dalton transactions (Cambridge, England : 2003), 41(24), 7350-7357 (2012-05-15)
Two new chiral pre-ligands, (R)-3,3'-bis(tetramethylcyclopentadienyl)-2,2'-bismethoxy-1,1'-bisnaphthalene (1) and (R)-3-tetramethylcyclopentadienyl-2,2'-bismethoxy-1,1'-bisnaphthalene (2), were synthesized by reaction of (R)-3,3'-dilithium-2,2'-bismethoxy-1,1'-bisnaphthalene with 2,3,4,5-tetramethyl-2-cyclopentenone at room temperature. Treatment of the pre-ligands 1 and 2 with butyllithium and Me(3)SiCl first, and subsequently with TiCl(4) (2 and 1 equiv
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