Sodium Hydroxide → N-(1-cyclopentyl-4-piperidinyl)-3-methyl-N(3-pyridinyl)benzeneacetamide ethanedioate
反応式
C(O)(=O)/C=[CH:3]/[C:4]([OH:6])=[O:5].[CH:9]1([N:14]2[CH2:19][CH2:18][CH:17]([N:20]([C:31]3[CH:32]=[N:33][CH:34]=[CH:35][CH:36]=3)[C:21](=[O:30])[CH2:22][C:23]3[CH:28]=[CH:27][CH:26]=[C:25]([CH3:29])[CH:24]=3)[CH2:16][CH2:15]2)[CH2:13][CH2:12][CH2:11][CH2:10]1.[OH-:37].[Na+]>>[C:4]([OH:6])(=[O:5])[C:3]([OH:30])=[O:37].[CH:9]1([N:14]2[CH2:19][CH2:18][CH:17]([N:20]([C:31]3[CH:32]=[N:33][CH:34]=[CH:35][CH:36]=3)[C:21](=[O:30])[CH2:22][C:23]3[CH:28]=[CH:27][CH:26]=[C:25]([CH3:29])[CH:24]=3)[CH2:16][CH2:15]2)[CH2:10][CH2:11][CH2:12][CH2:13]1参加物
3
実験手順
From 3.9 parts of N-(1-cyclopentyl-4-piperidinyl)-3-methyl-N-(3-pyridinyl)benzeneacetamide (E)-2-butenedioate, the free base is liberated in the conventional manner with a diluted sodium hydroxide solution. After extraction with 2,2'-oxybispropane, the latter is washed with water, dried, filtered and evaporated. The residue is converted into the ethanedioate salt in ethanol. The salt is filtered off and crystallized from a mixture of ethanol and 2,2'-oxybispropane, yielding 3 parts of N-(1-cyclopentyl-4-piperidinyl)-3-methyl-N-(3-pyridinyl)benzeneacetamide ethanedioate; mp. 192.6° C.
後処理
- extractionAfter extraction with 2,2'-oxybispropane
- washthe latter is washed with water
- customdried
- filtrationfiltered
- customevaporated
- filtrationThe salt is filtered off
- customcrystallized from a mixture of ethanol and 2,2'-oxybispropane
出典と根拠
- ORDレコード
- ord-9e0d2f7e71f24d7b9ea45482578db580
- 出典データセット
- uspto-grants-1980_09
- 特許番号
- US04225606
反応ノート
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