Lithium triisobutylhydroborate

ChemicalBook > CAS DataBase List > Lithium triisobutylhydroborate

Lithium triisobutylhydroborate

Description Features Preparation

Product Name: Lithium triisobutylhydroborate
CAS No.: 38721-52-7
Chemical Name: Lithium triisobutylhydroborate
Synonyms: L-selectride;LITHIUM TRI-SEC-BUTYLBOROHYDRIDE;lithium tri-sec-butylborohydride solution;Lithium tri-sec-butylhydridoborate, 1.0M solution in THF, packaged under Argon in resealable ChemSealTM bottles;1.0MinTHF;L-SELECTRIDE(R);Lithium tri-sec;1.0MsolutioninTHF;ithium tri-sec-butyL;l-selectride solution
CBNumber: CB0349017
Molecular Formula: C12H28B.Li
Formula Weight: 190.1
MOL File: 38721-52-7.mol

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Lithium triisobutylhydroborate Property

Density: 0.89 g/mL at 25 °C
Flash point:: 1 °F
storage temp.: Flammables area
solubility: Miscible with tetrahydrofuran.
form: Liquid
color: Colorless to yellow
Water Solubility: reacts
Sensitive: Moisture Sensitive
BRN: 4007327
InChIKey: ACJKNTZKEFMEAK-UHFFFAOYSA-N
CAS DataBase Reference: 38721-52-7(CAS DataBase Reference)
EPA Substance Registry System: Borate(1-), hydrotris(1-methylpropyl)-, lithium, (T-4)- (38721-52-7)

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Safety

Hazard Codes: F,C
Risk Statements: 11-14/15-17-34-35-19-40-37
Safety Statements: 16-26-36/37/39-43-45-7/8-30
RIDADR: UN 3394 4.2/PG 1
WGK Germany: 1
F: 10
TSCA: Yes
HazardClass: 4.3
PackingGroup: II
HS Code: 29319090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H250Catches fire spontaneously if exposed to air

H260In contact with water releases flammable gases which may ignite spontaneously

H314Causes severe skin burns and eye damage

H318Causes serious eye damage

H335May cause respiratory irritation

H351Suspected of causing cancer

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P231+P232Handle under inert gas. Protect from moisture.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P310Immediately call a POISON CENTER or doctor/physician.

P370+P378In case of fire: Use … for extinction.

P402+P404Store in a dry place. Store in a closed container.

P422Store contents under …

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 178497
Product name: L-Selectride? solution
Purity: 1.0M in THF
Packaging: 8l
Price: $2090
Updated: 2024/03/01

Alfa Aesar

Product number: 043034
Product name: Lithium tri-sec-butylborohydride, 1.0M solution in THF, packaged under Argon in resealable ChemSeal? bottles
Packaging: 100ml
Price: $82
Updated: 2024/03/01

Alfa Aesar

Product number: 043034
Product name: Lithium tri-sec-butylborohydride, 1.0M solution in THF, packaged under Argon in resealable ChemSeal? bottles
Packaging: 500ml
Price: $332
Updated: 2024/03/01

Strem Chemicals

Product number: 03-1400
Product name: Lithium triisobutylhydroborate
Packaging: 100g
Price: $77
Updated: 2024/03/01

Strem Chemicals

Product number: 03-1400
Product name: Lithium triisobutylhydroborate
Packaging: 500g
Price: $308
Updated: 2024/03/01

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Lithium triisobutylhydroborate Chemical Properties,Usage,Production

Description

Lithium tri-sec-butylborohydride, commercially available as a one molar solution in tetrahydrofuran. It is widely used as a mild and strong reducing agent with high stereoselectivity in organic synthesis.

Features

Lithium tri-sec-butylborohydride is a new type of hydride reducing agent, which has the characteristics of strong reducing ability and high regio- and stereoselectivity.

Preparation

Lithium triisobutylhydroborate can be prepared by:In a 3000ml three-necked flask, add 1000ml of 1mol/L tri-sec-butylboron tetrahydrofuran solution, add 1000ml of 1mol/L triethylenediamine tetrahydrofuran solution simultaneously, introduce nitrogen to start stirring, put the mixture of the two in an ice-water bath After cooling to 0° C., 1000 ml of a 1 mol/L lithium aluminum hydride solution in tetrahydrofuran was slowly added dropwise to the above mixed solution with a constant pressure funnel for about 10 hours.

Physical properties

clear colourless solution

Uses

Lithium triisobutylhydroborate is used as a reducing agent. Reagent for: Enantioselective synthesis of a-amino acids via reduction of N-tert-butanesulfinyl ketimine esters. Diastereoselective reduction reactions. Hydride reduction of the Danishefsky pyranones. Asymmetric reductive aldol reaction of enones with a-alkoxy aldehydes. Synthesis of alkanols by carbonylation reactions.

Uses

L-Selectride Solution is a reducing agent which is used in the preparation of oxygen heterocycles. Used also as a reactant in the synthesis of novel bicicyclo[3.1.0]hexane analags which may prove useful in the treatment of depression.

Lithium triisobutylhydroborate Preparation Products And Raw materials

Raw materials

Preparation Products

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Lithium triisobutylhydroborate Suppliers

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View Lastest Price from Lithium triisobutylhydroborate manufacturers

Shanghai UCHEM Inc.

Product: Lithium triisobutylhydroborate 38721-52-7
Price: US $120.00/g
Min. Order: 1g
Purity: 1M solution in THF
Supply Ability: 25kg
Release date: 2023-12-29

Cangzhou Lingang Xingchen Chemical Co.,Ltd.

Product: Lithium tri-sec-butylborohydride 38721-52-7
Price: US $0.00-0.00/kg
Min. Order: 100kg
Purity: 1±0.02M in THF
Supply Ability: 100 tons
Release date: 2022-11-07

Hangzhou ICH Biofarm Co., Ltd

Product: Lithium triisobutylhydroborate 38721-52-7
Price: US $0.00-0.00/kg
Min. Order: 0.10000000149011612kg
Purity: 99.0%min
Supply Ability: 20000kg
Release date: 2023-06-29

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38721-52-7

88721-52-7

C12H28BLi

LiBCHCH3C2H53H

C12H28LiN

LiCHCH3CH2CH33BH