2-Formylthiophene-3-boronic acid CAS NO.4347-31-3

Product Name:    2-Formylthiophene-3-boronic acid
Synonyms:    3-Boronothiophene-2-carboxaldehyde, 3-Borono-2-formylthiophene;2-Formylthien-3-ylboronic acid;2-Formylthiophen-3-ylboronic acid;2-FORMYLTHIOPHENE-3-BORONIC ACID;(2-FORMYL-3-THIENYL)BORONIC ACID;2-FORMYL-3-THIOPHENEBORONIC ACID;3-Boronothiophene-2-carboxaldehyde;(2-formyl-3-thiophenyl)boronic acid
CAS:    4347-31-3                      
MF:    C5H5BO3S           
MW:    155.97           
EINECS:    000-000-0                   
Mol File:    4347-31-3.mol                            
 

2-Formylthiophene-3-boronic acid Chemical Properties
Melting point     167-193 °C (lit.)
Boiling point     396.7±52.0 °C(Predicted)
density     1.41±0.1 g/cm3(Predicted)
storage temp.     Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
pka    7.91±0.53(Predicted)
Sensitive     Air Sensitive
BRN     4393584
CAS DataBase Reference    4347-31-3(CAS DataBase Reference)
Safety Information
Risk Statements     36/37/38
Safety Statements     26-36/37/39
WGK Germany     3
HS Code     29349990
MSDS Information
Provider    Language
SigmaAldrich    English
ALFA    English
2-Formylthiophene-3-boronic acid Usage And Synthesis
Chemical Properties    White to off-white or beige powder
Uses    Reactant for:• ;Suzuki cross-coupling reactions1• ;Preparation of boronic acid esters2
2-Formylthiophene-3-boronic acid Preparation Products And Raw materials
Raw materials    Hydrochloric acid-->Diethyl ether-->N,N-Dimethylformamide-->Toluene-->n-Butyllithium-->p-Toluenesulfonic acid-->Ethylene glycol-->Tributyl borate-->2,3-Dibromothiophene