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7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid → (Pivaloyloxy)methyl (6R-trans)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid | HCID 1883 | — |
| 反応物 | 3-((Acetyloxy)methyl)-7-amino-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid | HCID 13729 | — |
| 反応物 | Chloromethyl propionate | HCID 221144 | — |
| 反応物 | 4-Chloro-2,2-dimethylbutanoate | HCID 21753047 | — |
| 生成物 | (Pivaloyloxy)methyl (6R-trans)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylate | HCID 119617 | — |
反応手順
When the procedure of Example 8 appropriate amounts of 3-methyl-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid and chloromethylpivalate are substituted respectively for 3-[(acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid and chloromethylpropionate, 3-methyl-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid pivalyloxymethyl ester is obtained.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04031083 |
| 出典データセット | uspto-grants-1977_06 |
| ORD ID | ord-8530d1a1e3d8492e9834d019af018b03 |
| 出典メモ | uspto-grants-1977_06 |