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表单
liquid
质量水平
反应适用性
reaction type: C-C Bond Formation
浓度
0.5 M in toluene
密度
0.927 g/mL at 25 °C
SMILES字符串
[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 key
QEJAQNUJXFLWSP-UHFFFAOYSA-M
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一般描述
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。
应用
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。
包装
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。
法律信息
Sure/Seal is a trademark of Sigma-Aldrich Co. LLC
警示用语:
Danger
危险分类
Aquatic Chronic 3 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 2 - STOT SE 3
靶器官
Central nervous system, Respiratory system
储存分类代码
3 - Flammable liquids
WGK
WGK 3
闪点(°F)
39.2 °F - closed cup
闪点(°C)
4 °C - closed cup
个人防护装备
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
易制毒化学品(3类)
危险化学品
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
Stereoselective synthesis of C-glycosides via Tebbe methylenation and Claisen rearrangement
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
Tetrahedron Letters, 57(7), 788-790 (2016)
Ketone Methylenation Using the Tebbe and Wittig Reagents-A Comparison
Synthesis, 1991(2), 165-167 (1991)
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
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