CAS 109-73-9

1-AminobutaneButylamineMonobutylamine

Codes：(VII)101438-62-a、Tetracaine-016

Application context (from source-drug indications)

乳腺癌Paclitaxel/Encequidar mesylate腺癌Paclitaxel/Encequidar mesylate血管肉瘤Paclitaxel/Encequidar mesylate实体瘤Paclitaxel/Encequidar mesylate麻醉盐酸羟甲唑啉/盐酸丁卡因根尖周炎盐酸羟甲唑啉/盐酸丁卡因龋齿盐酸羟甲唑啉/盐酸丁卡因

Source drugs (routes using this intermediate)

Drug	Tier	Expiry
Paclitaxel/Encequidar mesylatePaclitaxel/Encequidar mesylate	Tier C — Watch / trade	-
盐酸羟甲唑啉/盐酸丁卡因Oxymetazoline Hydrochloride/Tetracaine Hydrochloride	Tier 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.

Paclitaxel/Encequidar mesylate优化路线steps: 10total yield: /

Dihydroxyacetic acid→4-Methylbenzenesulfonhydrazide→(2E)-[2-(4-Methylbenzene-1-sulfonyl)hydrazinylidene]acetic acid→(2E)-[2-(4-Methylbenzene-1-sulfonyl)hydrazinylidene]acetyl chloride→Benzaldehyde→1-Hydroxy-2,5-pyrrolidinedione→2,5-Dioxopyrrolidin-1-yl 2-diazoacetate→1-Aminobutane→N-Butyl-2-diazoacetamide→(2R,3R)-N-Butyl-3-phenyloxirane-2-carboxamide→tert-Butyl butyl[(2R,3R)-3-phenyloxirane-2-carbonyl]carbamate→Ethyl (2R,3R)-3-phenyloxirane-2-carboxylate→Ethyl (2R,3S)-3-azido-2-hydroxy-3-phenylpropanoate→alpha-Chlorobenzaldehyde→(1S,2R)-1-Azido-3-ethoxy-3-oxo-1-phenylpropan-2-yl benzoate→Ethyl (2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoate

盐酸羟甲唑啉/盐酸丁卡因优化路线steps: 10total yield: /

4-Aminobenzoic acid sodium salt→4-(Butylamino)benzoic acid→p-Chlorobenzoic acid→4-Bromobenzoic acid→4-Iodobenzoic acid→Butylamine→4-(Butylamino)benzoic acid ethyl ester→2-(Dimethylamino)ethanol hydrochloride→2-Chloroethanol→4-(Butylamino)benzoic acid 2-chloroethyl ester→N-Methylmethanamine→n-Butyl bromide→N,N-Dimethylaminoethanol→4-Aminobenzoic acid 2-(dimethylamino)ethyl ester→4-(Butylamino)benzoic acid 2-(dimethylamino)ethyl ester

盐酸羟甲唑啉/盐酸丁卡因优化路线steps: 5total yield: /

4-Bromobenzoyl chloride→2-(Dimethylamino)ethyl 4-bromobenzoate→Ethyl 4-aminobenzoate→n-Butyl bromide→N,N-Dimethylaminoethanol→Monobutylamine→4-(Butylamino)benzoic acid 2-(dimethylamino)ethyl ester→4-(Butylamino)benzoic acid ethyl ester→4-Aminobenzoic acid

Intermediates available on this site

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