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(3,3-diphenyloxolan-2-ylidene)-dimethylazanium,bromide

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Origin: China

Cas No: 37743-18-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 37743-18-3 Formula: C18H20BrNO Molecular Weight: 346.26200

Description

Dimethyl(tetrahydro-3,3-diphenyl-2-furylidene)ammonium Bromide is a useful synthetic intermediate in the synthesis of Loperamide Hydrochloride; an antidiarrheal. Dimethyl(tetrahydro-3,3-diphenyl-2-furylidene)ammonium Bromide is also used as a reagent in the synthesis of benzomorphan analogs as opioid receptor agonists and/or antagonists.

Basic Info

Chemical Name	(3,3-diphenyloxolan-2-ylidene)-dimethylazanium,bromide
Synonyms	dimethyl(tetrahydro-3,3-diphenyl-2,2-furylidene) ammonium bromide; EINECS 253-649-9; Dihydro-N,N-dimethyl-3,3-diphenyl-2(3H)-furaniminium bromide; dimethyl-(tetrahydro-3,3-diphenyl-2-furylidene)-ammonium bromide; (Dihydro-3,3-diphenyl-3H-furan-2-ylidene)dimethylammonium bromide; N-(dihydro-3,3-diphenyl-2(3H)-furanylidene)-N-methyl methanaminium bromide; 3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide;
CAS No.	37743-18-3
Molecular Formula	C18H20BrNO
Molecular Weight	346.26200
PSA	12.24000
LogP	0.06760

Properties

Appearance & Physical State	white to beige powder
Melting Point	174-177ºC

Safety Info

RTECS	OG0700000
Hazard Class	5.1
Safety Statements	S36/37-S45
HS Code	2932190090
Packing Group	III
WGK Germany	3
RIDADR	UN 1872 5.1/PG 3
Risk Statements	R22; R68
Hazard Codes	Xn

Synthesis Route

Dimethylamine+4-bromo-2,2-diphenylbutyric acid chloride→(3,3-diphenyloxolan-2-ylidene)-dimethylazanium,bromide
4-bromo-2,2-diphenylbutyric acid chloride→(3,3-diphenyloxolan-2-ylidene)-dimethylazanium,bromide
Dimethylamine→(3,3-diphenyloxolan-2-ylidene)-dimethylazanium,bromide

Precursor

sodium carbonate
Dimethylamine
4-Bromo-2,2-diphenylbutyric acid
alpha,alpha-Diphenyl-gamma-butyrolactone

Downstream Product

Fluperamide
loperamide hydrochloride
loperamide

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