产品名称
二异丙基氨基锂 溶液, 2.0 M in THF/heptane/ethylbenzene
InChI
1S/C6H14N.Li/c1-5(2)7-6(3)4;/h5-6H,1-4H3;/q-1;+1
SMILES string
[Li]N(C(C)C)C(C)C
InChI key
ZCSHNCUQKCANBX-UHFFFAOYSA-N
form
liquid
concentration
2.0 M in THF/heptane/ethylbenzene
impurities
3 wt. % diisopropylamine
density
0.812 g/mL at 25 °C
functional group
amine
storage temp.
2-8°C
Quality Level
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Application
二异丙基氨基锂溶液(LDA)可用于:
- 用作引发剂,用于 D,L-丙交酯和甲基丙烯酸甲酯的阴离子催化聚合;
- 促进酯类烯醇化;
- 将羧酸转化为烯二醇中间物,制备三氟甲基酮;
- 芳基磺酰基恶唑烷酮的邻位锂化,制备N-取代糖精类似物;
- 催化芳基氨基甲酸酯的邻位锂化和弗莱斯(Fries)重排;
- 用作促进剂,促进烯丙基醚异构为(Z)-丙烯基醚。
General description
二异丙基氨基锂溶液(LDA)是具空间位阻的非亲核性强碱,广泛用于有机合成。
Packaging
建议将25 mL Sure/Seal™ 瓶作为一次性瓶使用。 反复穿刺可能会导致产品性能下降。
Legal Information
Sure/Seal is a trademark of Sigma-Aldrich Co. LLC
signalword
Danger
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT RE 2 - STOT SE 3
target_organs
Central nervous system, hearing organs, Respiratory system
supp_hazards
存储类别
3 - Flammable liquids
wgk
WGK 2
flash_point_f
35.6 °F - closed cup
flash_point_c
2 °C - closed cup
法规信息
危险化学品
此项目有
Lithium diisopropylamide-mediated enolizations: Solvent-dependent mixed aggregation effects
Sun X and Collum DB
Journal of the American Chemical Society, 122(11), 2459-2463 (2000)
Efficient access to chiral N-substituted saccharin analogues via the directed ortho-lithiation of 3-N-arylsulfonyloxazolidin-2-ones
Aliyenne AO, et al.
Tetrahedron Letters, 47(36), 6405-6408 (2006)
Trifluoromethyl ketones: properties, preparation, and application
Kelly CB, et al.
Chemical Communications (Cambridge, England), 49(95), 11133-11148 (2013)
Isomerization of allyl ethers initiated by lithium diisopropylamide
Su C, and Williard PG
Organic Letters, 12(23), 5378-5381 (2010)
Tetrahedron Letters, 47, 6405-6405 (2006)
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