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CAS 111470-99-6,88150-42-9

(±)-2-(2-Aminoethoxymethyl)-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine

Codes:Levamlodipine Besylate-001

Application context (from source-drug indications)

高血压苯磺酸左旋氨氯地平心绞痛苯磺酸左旋氨氯地平原发性高血压苯磺酸左旋氨氯地平

Source drugs (routes using this intermediate)

DrugTierExpiry
苯磺酸左旋氨氯地平Levamlodipine BesylateTier C — Watch / trade-

Position in synthesis routes (up/downstream chain)

Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.

苯磺酸左旋氨氯地平优化路线steps: 5total yield: 12.7g(Levamlodipine Besylate (API))
(±)-2-(2-Aminoethoxymethyl)-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine→Bis[3-ethyl 5-methyl (4S)-2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate] (2S,3S)-2,3-dihydroxybutanedioic acid urea→3-Ethyl 5-methyl (4S)-2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate→(2S,3S)-2,3-Dihydroxybutanedioic acid 3-ethyl 5-methyl (4S)-2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate (1/2)→(2R,3R)-2,3-Dihydroxybutanedioic acid 3-ethyl 5-methyl (4S)-2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate (1/2)
苯磺酸左旋氨氯地平优化路线steps: 1total yield: 17.8g(Levamlodipine Maleate (API))
(±)-2-(2-Aminoethoxymethyl)-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine→(4S)-2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate (2Z)-but-2-enedioic acid 3-ethyl 5-methyl

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