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(+)-L-Leucine methyl ester → (S)-2-{[6-Cyclopentylmethoxy-5-(4,4-difluoro-piperidin-1-yl)-pyrazine-2-carbonyl]-amino}-4-methyl-pentanoic acid methyl ester
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | (+)-L-Leucine methyl ester | HCID 65105 | — |
| 反応物 | 6-Propoxy-5-pyrrolidin-1-yl-pyrazine-2-carboxylic acid ((S)-1-hydroxymethyl-3-methyl-butyl)-amide | HCID 24831258 | — |
| 反応物 | 6-Cyclopentylmethoxy-5-(4,4-difluoro-piperidin-1-yl)-pyrazine-2-carboxylic acid | HCID 68566571 | — |
| 生成物 | (S)-2-{[6-Cyclopentylmethoxy-5-(4,4-difluoro-piperidin-1-yl)-pyrazine-2-carbonyl]-amino}-4-methyl-pentanoic acid methyl ester | HCID 24829470 | — |
反応手順
In analogy to the procedure described for the synthesis of 6-propoxy-5-pyrrolidin-1-yl-pyrazine-2-carboxylic acid ((S)-1-hydroxymethyl-3-methyl-butyl)-amide (example 10, step d) the title compounds was prepared from 6-cyclopentylmethoxy-5-(4,4-difluoro-piperidin-1-yl)-pyrazine-2-carboxylic acid and (S)-leucine methyl ester (commercially available). m/z (ES+): 469.1 (M+H).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07691863B2 |
| 出典データセット | uspto-grants-2010_04 |
| ORD ID | ord-e8626e9125ef487db2730203012e19f5 |
| 出典メモ | uspto-grants-2010_04 |