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CAS 2227302-44-3
(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)pent-2-enoyl]amino]-3-[(carbamoyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacidhydrogenchloride
登记编号：Cefcamate Pivoxil Hydrochloride-014
应用背景（按来源药适应症）
细菌感染盐酸头孢卡品酯
来源药（使用该中间体的合成路线）
| 品种 | 梯队 | 到期年 |
|---|---|---|
| 盐酸头孢卡品酯Cefcamate Pivoxil Hydrochloride | Tier C · 观察 / 贸易 | - |
合成路线中的位置（上下游链）
按路线登记顺序排列，左→右为合成方向；高亮为当前 CAS，其余可点击跳转对应档案。
Ethyl2-(bromoacetyl)pent-2-enoate→tert-Butylcarbamothioylcarbamatehydrobromide→Ethyl(2Z)-2-[2-[(tert-butoxycarbonyl)amino]-1,3-thiazol-4-yl]pent-2-enoate→2-[2(Z)-2-Boc-amino-1,3-thiazol-4-yl]pent-2-enoicacid→(6R,7R)-7-Amino-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid→(6R,7R)-7-[[(2Z)-2-[2-[(tert-Butoxycarbonyl)amino]-1,3-thiazol-4-yl]pent-2-enoyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacidN,N,N',N'-tetramethylguanidine(11)→(6R,7R)-7-[[(2Z)-2-[2-[(tert-Butoxycarbonyl)amino]-1,3-thiazol-4-yl]pent-2-enoyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid→Chlorosulfonicacidisocyanate→Trichloroacetylisocyanate→(6R,7R)-7-[[(2Z)-2-[2-[(tert-Butoxycarbonyl)amino]-1,3-thiazol-4-yl]pent-2-enoyl]amino]-3-[(carbamoyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacidN-(propan-2-yl)propan-2-amine→Sodium(6R,7R)-7-[[(2Z)-2-[2-[(tert-butoxycarbonyl)amino]-1,3-thiazol-4-yl]pent-2-enoyl]amino]-3-[(carbamoyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate→(6R,7R)-7-[[(2Z)-2-[2-[(tert-Butoxycarbonyl)amino]-1,3-thiazol-4-yl]pent-2-enoyl]amino]-3-[(carbamoyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid→(6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-pentenoylamino]-3-(carbamoyloxymethyl)-3-cephem-4-carboxylicacid→(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)pent-2-enoyl]amino]-3-[(carbamoyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacidhydrogenchloride→Iodomethylpivalate→[(2,2-Dimethylpropanoyl)oxy]methyl(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)pent-2-enoyl]amino]-3-[(carbamoyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Ethyl2-(bromoacetyl)pent-2-enoate→tert-Butylcarbamothioylcarbamatehydrobromide→Ethyl(2Z)-2-[2-[(tert-butoxycarbonyl)amino]-1,3-thiazol-4-yl]pent-2-enoate→2-[2(Z)-2-Boc-amino-1,3-thiazol-4-yl]pent-2-enoicacid→(6R,7R)-7-Amino-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid→(6R,7R)-7-[[(2Z)-2-[2-[(tert-Butoxycarbonyl)amino]-1,3-thiazol-4-yl]pent-2-enoyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid→Sodium(6R,7R)-7-[[(2Z)-2-[2-[(tert-butoxycarbonyl)amino]-1,3-thiazol-4-yl]pent-2-enoyl]amino]-3-[(carbamoyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate→(6R,7R)-7-[[(2Z)-2-[2-[(tert-Butoxycarbonyl)amino]-1,3-thiazol-4-yl]pent-2-enoyl]amino]-3-[(carbamoyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid→(6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-pentenoylamino]-3-(carbamoyloxymethyl)-3-cephem-4-carboxylicacid→(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)pent-2-enoyl]amino]-3-[(carbamoyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacidhydrogenchloride→Iodomethylpivalate→[(2,2-Dimethylpropanoyl)oxy]methyl(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)pent-2-enoyl]amino]-3-[(carbamoyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
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