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Merck
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重要文件

274658

Sigma-Aldrich

2,3,4,5-四甲基-2-环戊烯酮,顺反异构体混合物

95%

同義詞:

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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About This Item

經驗公式(希爾表示法):
C9H14O
CAS號碼:
分子量::
138.21
Beilstein:
2324088
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

化驗

95%

形狀

liquid

折射率

n20/D 1.476 (lit.)

bp

100 °C/30 mmHg (lit.)

密度

0.917 g/mL at 25 °C (lit.)

官能基

ketone

SMILES 字串

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 密鑰

ARUAYSANQMCCEN-UHFFFAOYSA-N

應用

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.

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

163.4 °F - closed cup

閃點(°C)

73 °C - closed cup

個人防護裝備

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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分析證明 (COA)

Lot/Batch Number

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客戶也查看了

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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