反応式
[F:1][C:2]1([F:12])[O:6][C:5]2[CH:7]=[CH:8][C:9]([NH2:11])=[CH:10][C:4]=2[O:3]1.C([O:20][CH2:21][CH3:22])(OCC)OCC.[N+:23]([CH2:26]C(OCC)=O)([O-])=O.[C:32](O)(=O)C>[Fe]>[F:12][C:2]1([F:1])[O:6][C:5]2[CH:7]=[CH:8][C:9]([N:11]3[CH:32]=[C:22]([CH2:21][OH:20])[N:23]=[CH:26]3)=[CH:10][C:4]=2[O:3]1参加物
6
実験手順
Following the general method described in example 293, 2,2-difluoro-benzo[1,3]dioxol-5-ylamine was reacted with triethyl orthoformate, ethyl nitroacetate and acetic acid followed by treatment with triethyl orthoformate, iron and acetic acid and subsequent alkaline hydrolysis. The isolated acid was directly reduced according to example 264, by reaction with BH3 THF complex followed by hydrolytic workup and the title compound was obtained as a light brown solid. Mp. 163-164° C. (H2O), MS: m/e=254 (M+).
後処理
- customThe isolated acid was directly reduced according to example 264, by reaction with BH3 THF complex
出典と根拠
- ORDレコード
- ord-65ecd3d8357344cfb9ddc7bccd520302
- 出典データセット
- uspto-grants-2003_08
- 特許番号
- US06610723B2
関連ノート
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