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经验公式(希尔记法):
C9H14O
化学文摘社编号:
分子量:
138.21
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
2324088
产品名称
2,3,4,5-四甲基-2-环戊烯酮,顺反异构体混合物, 95%
InChI
1S/C9H14O/c1-5-6(2)8(4)9(10)7(5)3/h5,7H,1-4H3
SMILES string
CC1C(C)C(=O)C(C)=C1C
InChI key
ARUAYSANQMCCEN-UHFFFAOYSA-N
assay
95%
form
liquid
refractive index
n20/D 1.476 (lit.)
bp
100 °C/30 mmHg (lit.)
density
0.917 g/mL at 25 °C (lit.)
functional group
ketone
Quality Level
Application
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.
存储类别
10 - Combustible liquids
wgk
WGK 3
flash_point_f
163.4 °F - closed cup
flash_point_c
73 °C - closed cup
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
法规信息
新产品
此项目有
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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