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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
32780-65-7

Labetalol EP impurity D synthesis

1synthesis methods
Benzoic acid, 5-(2-amino-1-hydroxyethyl)-2-hydroxy-, methyl ester, hydrochloride (1:1)

24085-18-5
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Labetalol EP impurity D

32780-65-7
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Yield:32780-65-7 62%

Reaction Conditions:

with ammonium hydroxide for 192 h;Ambient temperature;

References:

Clifton;Collins;Hallett;Hartley;Lunts;Wicks [Journal of Medicinal Chemistry,1982,vol. 25,# 6,p. 670 - 679]

Labetalol EP impurity D Related Search:

5-formyl-2-hydroxybenzamide 5-(N,N-Dibenzylglycyl)salicylamide 5-(bromoacetyl)-2-(phenylmethoxy)benzamide rac 4-(3-Aminobutyl)phenol Labetalol Hydrochloride Impurity 19（(R,S)-Labetalol Hydrochloride）