324620
双三甲基硅基胺基锂
97%
别名:
六甲基二硅氮烷 锂盐
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关于此项目
线性分子式:
[(CH3)3Si]2NLi
化学文摘社编号:
分子量:
167.33
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352111
EC Number:
223-725-6
MDL number:
产品名称
双三甲基硅基胺基锂, 97%
InChI key
YNESATAKKCNGOF-UHFFFAOYSA-N
InChI
1S/C6H18NSi2.Li/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1
SMILES string
[Li]N([Si](C)(C)C)[Si](C)(C)C
assay
97%
form
solid
bp
110-115 °C (at 1.33 hPa)
mp
70-71 °C
density
0.860 g/mL at 25 °C (lit.)
Quality Level
pH
(12.4 at 23.7 °C)
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Application
生成烯醇盐类化合物（用于制备内酯前体、 吡喃酮类化合物 和环己烷类化合物）的碱。
用于催化膦的 P-H 键加成到碳二亚胺上生成磷杂胍的反应。还用于二取代 1,2,5-噻二唑的新型三步法合成。
用于催化膦的 P-H 键加成到碳二亚胺上生成磷杂胍的反应。还用于二取代 1,2,5-噻二唑的新型三步法合成。
General description
双三甲基硅基胺基锂是非亲核性的强布朗斯特（Brønsted）碱，通常可溶于大多数非极性有机溶剂。最常用于有机反应。
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Flam. Sol. 1 - Self-heat. 1 - Skin Corr. 1B
supp_hazards
存储类别
4.2 - Pyrophoric and self-heating hazardous materials
wgk
WGK 2
flash_point_f
62.6 °F - closed cup
flash_point_c
17 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
The Journal of Organic Chemistry, 58, 7304-7304 (1993)
Wen-Xiong Zhang et al.
Chemical communications (Cambridge, England), (36), 3812-3814 (2006-09-14)
Organo alkali metal compounds such as (n)BuLi and (Me3Si)2NK act as excellent catalyst precursors for the addition of phosphine P-H bonds to carbodiimides, offering a general and atom-economical route to substituted phosphaguanidines, with excellent tolerability to aromatic C-Br and C-Cl
Lithium Bis(trimethylsilyl)amide and Tris(trimethylsilyl)amine
Inorganic Syntheses (1966)
Synlett, 507-507 (1993)
Tetrahedron Letters, 47, 8285-8285 (2006)
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