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CAS 636-61-3

(2R)-2-Hydroxysuccinic acid

Codes: (I)115092-6-a, (I)115092-8-a

Application context (from source-drug indications)

GlaucomaProxodolol hydrochloride/Pilocarpine Hydrochloride闭角型青光眼Pilocarpine HydrochlorideOcular hypertensionPilocarpine HydrochlorideOpen-angle glaucomaPilocarpine Hydrochloride瞳孔缩小Pilocarpine HydrochlorideSjögren's syndromePilocarpine Hydrochloride虹膜炎Pilocarpine Hydrochloride

Source drugs (routes using this intermediate)

DrugTierExpiry
Proxodolol hydrochloride/Pilocarpine HydrochlorideTier C — Watch / trade-
Pilocarpine HydrochlorideTier 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.

Proxodolol hydrochloride/Pilocarpine HydrochlorideOptimised routesteps: 7total yield: /
(2R)-2-Hydroxysuccinic acid→(R)-2-Hydroxysuccinic acid dimethylester→1-Iodoethane→Diethyl (2S,3R)-2-methyl-3-hydroxysuccinate→Dimethyl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Dimethyl (3R)-2-bromo-3-ethylbutanedioate→1-Methyl-1H-imidazole-5-carbaldehyde→Methyl (3S,4S)-4-ethyl-2-(1-methyl-1H-imidazol-5-yl)-5-oxooxolane-3-carboxylate→(2S,3R)-2-Ethyl-4-methoxy-3-[(1-methyl-1H-imidazol-5-yl)methyl]-4-oxobutanoic acid
Proxodolol hydrochloride/Pilocarpine HydrochlorideOptimised routesteps: 4total yield: /
(2R)-2-Hydroxysuccinic acid→(R)-Diethyl malate→(R)-Diisopropyl 2-hydroxysuccinate→1-Iodoethane→Diethyl (2S,3R)-2-ethyl-3-hydroxybutanedioate→Dipropan-2-yl (2S,3R)-2-ethyl-3-hydroxybutanedioate→Diethyl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Dipropan-2-yl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Diethyl (3R)-2-bromo-3-ethylbutanedioate→Diisopropyl 2-bromo-3(R)-ethyl-butanedioate
Pilocarpine HydrochlorideOptimised routesteps: 7total yield: /
(2R)-2-Hydroxysuccinic acid→(R)-2-Hydroxysuccinic acid dimethylester→1-Iodoethane→Diethyl (2S,3R)-2-methyl-3-hydroxysuccinate→Dimethyl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Dimethyl (3R)-2-bromo-3-ethylbutanedioate→1-Methyl-1H-imidazole-5-carbaldehyde→Methyl (3S,4S)-4-ethyl-2-(1-methyl-1H-imidazol-5-yl)-5-oxooxolane-3-carboxylate→(2S,3R)-2-Ethyl-4-methoxy-3-[(1-methyl-1H-imidazol-5-yl)methyl]-4-oxobutanoic acid
Pilocarpine HydrochlorideOptimised routesteps: 4total yield: /
(2R)-2-Hydroxysuccinic acid→(R)-Diethyl malate→(R)-Diisopropyl 2-hydroxysuccinate→1-Iodoethane→Diethyl (2S,3R)-2-ethyl-3-hydroxybutanedioate→Dipropan-2-yl (2S,3R)-2-ethyl-3-hydroxybutanedioate→Diethyl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Dipropan-2-yl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Diethyl (3R)-2-bromo-3-ethylbutanedioate→Diisopropyl 2-bromo-3(R)-ethyl-butanedioate

Intermediates available on this site

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