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2-Butyl-4-chloro-5-formylimidazole

CAS No.83857-96-9
Chemical Name:2-Butyl-4-chloro-5-formylimidazole
CBNumber:CB4185349
Molecular Formula:C8H11ClN2O
Formula Weight:186.64
MOL File:83857-96-9.mol

2-Butyl-4-chloro-5-formylimidazole Property

Melting point 97-100 °C(lit.)
Boiling point 384.1±22.0 °C(Predicted)
Density 1.240
vapor pressure 0.001Pa at 25℃
storage temp. Inert atmosphere,2-8°C
solubility soluble in methanol
pka 8.87±0.10(Predicted)
form Powder to crystal
color Pale Yellow to Brown
Water Solubility slightly soluble
InChIKey JLVIHQCWASNXCK-UHFFFAOYSA-N
LogP 2.5 at 25℃ and pH7.1
Surface tension 58.3mN/m at 1.2g/L and 20℃
CAS DataBase Reference 83857-96-9(CAS DataBase Reference)
EWG's Food Scores 1-2
FDA UNII 7H170U0SWE
EPA Substance Registry System 2-Butyl-5-chloroimidazole-4-carbaldehyde (83857-96-9)
UNSPSC Code 41116107
NACRES NA.24

Safety

Hazard Codes :Xi,N
Risk Statements :43-51/53
Safety Statements :24-37-61
RIDADR :UN 3077 9/PG 3
WGK Germany :2
HazardClass :IRRITANT
PackingGroup :III
HS Code :29339900

NFPA 704:

	0
2		0

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal wordWarning
Hazard statements H317-H411
Precautionary statements P261-P272-P273-P280-P302+P352-P333+P313

2-Butyl-4-chloro-5-formylimidazole Price More Price(2)

Brand: Sigma-Aldrich(India)
Product number: 559881
Product name : 2-Butyl-5-chloro-1H-imidazole-4-carboxaldehyde
Purity: 97%
Packaging: 25G
Price: ₹13379.7
Updated: 2022/06/14
Buy: Buy

Brand: TCI Chemicals (India)
Product number: B2914
Product name : 2-Butyl-5-chloro-1H-imidazole-4-carboxaldehyde
Purity: min. 98.0 %
Packaging: 25G
Price: ₹9800
Updated: 2022/05/26
Buy: Buy

2-Butyl-4-chloro-5-formylimidazole Chemical Properties,Usage,Production

Description 2-Butyl-4-chloro-5-formylimidazole is an API intermediate used as an intermediate for the anti-hypertensive drug Chlosartan. It can be used in the chemical manufacture of many APIs and advanced intermediates. With the help of this chemical, a number of other chemicals can be manufactured that have further applications in industries such as Losartan manufacturing.
Chemical Properties 2-Butyl-4-chloro-5-formylimidazole is Yellow Solid
Uses 2-Butyl-4-chloro-5-formylimidazole is used for preparation of N-(biphenylylmethyl)imidazoles as angiotensin II antagonists
Uses 2-Butyl-5-chloro-1H-imidazole-4-carboxaldehyde may be used in the preparation of the following symmetrical esters of dialkyl 4-(2-butyl-5-chloro-1H-imidazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate:
- dimethyl 4-(2-butyl-5-chloro-1H-imidazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
- diethyl 4-(2-butyl-5-chloro-1H-imidazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
- diisopropyl 4-(2-butyl-5-chloro-1Himidazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
- diisobutyl 4-(2-butyl-5-chloro-1H-imidazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
- di-tert-butyl 4-(2-butyl-5-chloro-1Himidazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
- bis(2-methoxyethyl) 4-(2-butyl-5-chloro-1Himidazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Application 2-Butyl-4-chloro-1H-imidazole-5-carboxaldehyde (Losartan EP Impurity D) is used for preparation of N-(biphenylylmethyl)imidazoles as angiotensin II antagonists. Losartan USP Related Compound A.
Synthesis Reference(s) The Journal of Organic Chemistry, 64, p. 8084, 1999 DOI: 10.1021/jo9824910
Synthesis 2-Butyl-4-chloro-5-formylimidazole was synthesised as follows: Performing condensation reaction of pentamidine hydrochloride with glyoxal and controlling the pH value of the system in the range of 6.0-7.5; after the reaction terminates, arousing dehydration reaction of the compound of formula III, thereby obtaining 2-butyl-1H-imidazole-5(4H)-ketone; and finally, reacting 2-butyl-1H-imidazole-5(4H)-ketone with N,N-dimethylformamide in the presence of phosphorus oxychloride, thereby obtaining 2-butyl-4-chloro-5-formylimidazole.
storage 2-Butyl-4-chloro-5-formylimidazole is soluble in DMF, DMSO, Ethanol and Methanol.