Arapid and simple method for the chromatographic separation of
pharmacologically active components contained in some antihypertensive drugs
has been developed employing thin-layers of silica gel and ...polyacrylonitrile
sorbent (PANS). The active compounds of Captopril -
(S)-1-(3-mercapto-2-methyl-1-oxopropyl)-L-proline, Enalapril - (S)-1- N-
1-(ethoxycarbonyl)-3-phenylpropyl -L-alanyl -L-proline, Lisinopril - (S)
-1- N2-(carboxy-3-phenylpropyl)-L-lysyl-L-proline, Quinapril -
3S-2R
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