939048
Lithium bis(trimethylsilyl)amide ChemBeads
solid
别名:
Hexamethyldisilazane lithium salt ChemBeads
产品名称
Lithium bis(trimethylsilyl)amide ChemBeads,
SMILES string
[Li]N([Si](C)(C)C)[Si](C)(C)C
InChI
1S/C6H18NSi2.Li/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1
InChI key
YNESATAKKCNGOF-UHFFFAOYSA-N
description
Organic Salt
form
solid
composition
14-16 wt% loading of base
reaction suitability
core: lithium
Quality Level
Application
Base employed in generating enolates for the preparation of lactone precursors, pyranones, and cyclohexanes. Used to catalyze the addition of phosphine P-H bonds to carbodiimides leading to phosphaguanidines.[6] Also used in a novel three-step synthesis of disubstituted 1,2,5-thiadiazoles. For general uses, product is also available in powdered form (324620)
Features and Benefits
ChemBeads are chemical coated glass beads. ChemBeads offer improved flowability and chemical uniformity perfect for automated solid dispensing and high-throughput experimentation. The method of creating ChemBeads uses no other chemicals or surfactants allowing the user to accurately dispense sub-milligram amounts of chemical.
General description
Lithium bis(trimethylsilyl)amide is a non-nucleophilic strong Brønsted base, which is generally soluble in most of the nonpolar organic solvents. It is most commonly employed in organic reactions.
Other Notes
- High-Throughput Reaction Screening with Nanomoles of Solid Reagents Coated on Glass Beads
- Versatile Methods to Dispense Sub-Milligram Quantities of Solids using Chemical Coated Beads for High-Throughout Experimentation
- ChemBead Enabled High-Throughput Cross-Electrophile Coupling Reveals a New Complementary Ligand
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 3
flash_point_f
62.6 °F - closed cup
flash_point_c
17 °C - closed cup
法规信息
新产品
此项目有
Alkali-metal-catalyzed addition of primary and secondary phosphines to carbodiimides. A general and efficient route to substituted phosphaguanidines
Zhang W X, et al.
Chemical Communications (Cambridge, England), 3812-4, 36-36 (2006)
High-Throughput Reaction Screening with Nanomoles of Solid Reagents Coated on Glass Beads
Tu N P, et al.
Angewandte Chemie (International Edition in English), 58(24), 7987-7991 (2019)
Structural Studies of Cesium, Lithium/Cesium, and Sodium/Cesium Bis(trimethylsilyl)amide (HMDS) Complexes
Ojeda-Amador A I, et al.
Inorganic Chemistry, 55(11), 5719-5728 (2016)
ChemBead Enabled High-Throughput Cross-Electrophile Coupling Reveals a New Complementary Ligand
Aguirre A L, et al.
Chemistry (Weinheim An Der Bergstrasse, Germany), 27(51), 12981-12986 (2021)
Tatsuya Nitabaru et al.
Journal of the American Chemical Society, 131(38), 13860-13869 (2009-09-10)
Full details of an anti-selective catalytic asymmetric nitroaldol reaction promoted by a heterobimetallic catalyst comprised of Nd(5)O(O(i)Pr)(13), an amide-based ligand, and NaHMDS (sodium hexamethyldisilazide) are described. A systematic synthesis and evaluation of amide-based ligands led to the identification of optimum
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