![](/CAS/GIF/147-24-0.gif)
Diphenhydramine Hydrochloride synthesis
- Product Name:Diphenhydramine Hydrochloride
- CAS Number:147-24-0
- Molecular formula:C17H22ClNO
- Molecular Weight:291.82
![Synthesis of Diphenhydramine Hydrochloride](/NewsImg/2022-08-29/6379736608277624754548224.jpg)
Synthesis of Diphenhydramine Hydrochloride 6.
A) modified synthetic route to diphenhydramine hydrochloride.
B) Sequence of unit operations required for the synthesis. The dotted boxes denote the four stages of the synthesis. DMAE: dimethylaminoethanol.
Organic synthesis in a modular robotic system driven by a chemical programming language
![Diphenhydramine](/CAS/GIF/58-73-1.gif)
58-73-1
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![Diphenhydramine Hydrochloride](/CAS/GIF/147-24-0.gif)
147-24-0
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Yield:147-24-0 9.6 mmol
Reaction Conditions:
with hydrogenchloride in ethanol at 20; for 1 h;Time;
Steps:
10 Example 10
The method for preparing diphenhydramine hydrochloride adopts the preparation method of diphenhydramine according to any one of the embodiments 6-9, and after preparing diphenhydramine, the obtained diphenhydramine is dissolved in 5.0 mol ethanol solution. in. Then, dry hydrogen chloride gas was added to saturation, stirred at room temperature for 1 hour, and the solvent was evaporated under reduced pressure to obtain diphenhydramine hydrochloride.
References:
CN107673945,2018,A Location in patent:Paragraph 0028; 0029; 0030; 0031
![2-Dimethylaminoethanol](/CAS/GIF/108-01-0.gif)
108-01-0
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776-74-9
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147-24-0
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108-86-1
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147-24-0
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100-52-7
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![Diphenhydramine Hydrochloride](/CAS/GIF/147-24-0.gif)
147-24-0
658 suppliers
$5.00/250mg