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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
ChemicalBook CAS DataBase List 1,3-Dimethyl-1,3-dihydro-2-phenyl-2H-benzimidazole
3652-92-4

1,3-Dimethyl-1,3-dihydro-2-phenyl-2H-benzimidazole synthesis

10synthesis methods
1,3-Dimethyl-1,3-dihydro-2-phenyl-2H-benzimidazole is prepared by the following steps: N1,N2-dimethyl-o-phenylenediamine is condensed with benzaldehyde in methanol-acetic acid. The product is purified by recrystallization from petroleum ether. The spent reagent may be recovered and reactivated by Sodium Borohydride in methanol.
2-Phenylbenzimidazole

716-79-0
314 suppliers
$6.00/5g

1,3-Dimethyl-1,3-dihydro-2-phenyl-2H-benzimidazole

3652-92-4
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-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: potassium hydroxide / acetone / 12 h / 50 °C / Heating
2: ethyl acetate / 12 h / 80 °C / Reflux
3: sodium tetrahydroborate / methanol / 0.5 h / 20 °C

References:

Sampaio, Renato N.;Grills, David C.;Polyansky, Dmitry E.;Szalda, David J.;Fujita, Etsuko [Journal of the American Chemical Society,2020,vol. 142,# 5,p. 2413 - 2428]

1H-Benzimidazolium, 1,3-dimethyl-2-phenyl-, iodide (1:1)

3653-05-2
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1,3-Dimethyl-1,3-dihydro-2-phenyl-2H-benzimidazole

3652-92-4
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References
100-52-7 Synthesis
Benzaldehyde

100-52-7
971 suppliers
$17.30/2g

3213-79-4 Synthesis
N,N-dimethylbenzene-1,2-diamine

3213-79-4
44 suppliers
$45.00/250 mg

1,3-Dimethyl-1,3-dihydro-2-phenyl-2H-benzimidazole

3652-92-4
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References
1H-Benzimidazole, 2,3-dihydro-2-phenyl-

53088-00-9
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Iodomethane

74-88-4
351 suppliers
$15.00/10g

1,3-Dimethyl-1,3-dihydro-2-phenyl-2H-benzimidazole

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References
1,3-Dimethyl-1H-benzo[d]imidazol-3-ium iodide

7181-87-5
45 suppliers
$24.00/100mg

Phenylmagnesium bromide

100-58-3
196 suppliers
$18.00/10ml

1,3-Dimethyl-1,3-dihydro-2-phenyl-2H-benzimidazole

3652-92-4
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References