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Sigma-Aldrich

特伯试剂 溶液

0.5 M in toluene

别名:

双(环戊二烯基)-μ-氯-(二甲基铝)-μ-亚甲基钛

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About This Item

经验公式（希尔记法）:
C13H18AlClTi
CAS号:
67719-69-1
分子量:
284.58
MDL號碼:
MFCD00151575
分類程式碼代碼:
12352101
PubChem物質ID:
24863730
NACRES:
NA.22

形狀

liquid

品質等級

100

反應適用性

reaction type: C-C Bond Formation

濃度

0.5 M in toluene

密度

0.927 g/mL at 25 °C

SMILES 字串

[CH]1[CH][CH][CH][CH]1.[CH]2[CH][CH][CH][CH]2.C[Al](C)C[Ti]Cl

InChI

1S/2C5H5.2CH3.CH2.Al.ClH.Ti/c2*1-2-4-5-3-1;;;;;;/h2*1-5H;2*1H3;1H2;;1H;/q;;;;;;;+1/p-1

InChI 密鑰

QEJAQNUJXFLWSP-UHFFFAOYSA-M

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相关类别

一般說明

特伯试剂是一种由有机金属化合物进行稳定化的路易斯酸，其用于将羰基转化为β-取代亚甲基。它也可与多种羰基化合物（包括酯、酰胺和内酯）反应生成相应的烯烃。

應用

特伯试剂可用于：     
  • 使叶绿素衍生物的羰基转化为相应的环外亚甲基（亚乙烯基）。
  • 参与由3-OH乙二醇酯合成β-C糖苷的反应。
  • 作为多功能的亚甲基试剂参与酮和醛转化为烯烃的反应。它可与受阻酮进行温和的反应，并可使酯转化为乙烯基醚。
  • 使醛烯化。
  • 使具有高非对映选择性的手性多羟基酮亚甲基化。

包裝

建议将25 mL Sure/Seal™ 瓶作为一次性瓶使用。 反复穿刺可能导致产品性能下降。

法律資訊

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

訊號詞

Danger

危險分類

Aquatic Chronic 3 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 2 - STOT SE 3

標靶器官

Central nervous system, Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 3

閃點（°F）

39.2 °F - closed cup

閃點（°C）

4 °C - closed cup

個人防護裝備

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

分析证书(COA)

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Stereoselective synthesis of C-glycosides via Tebbe methylenation and Claisen rearrangement
Godage HY and Fairbanks AJ
Tetrahedron Letters, 41(39), 7589-7593 (2000)
Transformation of carbonyl to vinylidene groups in the pi-conjugated peripheral substituent of chlorophyll derivatives by Tebbe reagent
Tamiaki H, et al.
Tetrahedron Letters, 57(7), 788-790 (2016)
Xuequan Lu et al.
Organic letters, 7(8), 1645-1648 (2005-04-09)
[reaction: see text] A new analogue of (2S,3R)-ceramide (2) with a methylene group at C4 has been synthesized from d-tartaric acid (3) by using Tebbe methylenation as the key step. Compound 2 exhibited markedly higher antiproliferative activity on mouse embryonic
Ketone Methylenation Using the Tebbe and Wittig Reagents-A Comparison
Pine SH, et al.
Synthesis, 1991(2), 165-167 (1991)
Mauricio A Cuellar et al.
Bioorganic & medicinal chemistry, 11(12), 2489-2497 (2003-05-22)
The Diels-Alder reaction between two polygodial-derived dienes and simple quinones to yield substituted naphtho- and anthraquinones, is described. The in vitro trypanocide activity for the series was determined. Two of the new compounds showed an activity ten and two times

商品

Reagents for C–C Bond Formation

We carry a large variety of electrophiles and nucleophiles that are widely used in C–C bond-forming reactions. This group of products contains many organometallic reagents as well as commonly-used alkylating and acylating reagents.

Reagents for C–C Bond Formation

We carry a large variety of electrophiles and nucleophiles that are widely used in C–C bond-forming reactions. This group of products contains many organometallic reagents as well as commonly-used alkylating and acylating reagents.

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