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Water → Propyl 4-(phenylamino)-1-(phenylmethyl)-4-piperidinecarboxylate ethanedioate

HRID 1448272
ノート
印刷プレビュー

反応式

HRID 1448272 の反応式
[C:1]1([NH:7][C:8]2([C:21]([O-:23])=[O:22])[CH2:13][CH2:12][N:11]([CH2:14][C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=3)[CH2:10][CH2:9]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[Na+].Br[CH2:26][CH2:27][CH3:28].CC1C=CC=CC=1.[OH2:36].CN(C)P(=[O:46])(N(C)C)N(C)C>>[C:21]([OH:23])(=[O:22])[C:8]([OH:46])=[O:36].[C:1]1([NH:7][C:8]2([C:21]([O:23][CH2:26][CH2:27][CH3:28])=[O:22])[CH2:9][CH2:10][N:11]([CH2:14][C:15]3[CH:16]=[CH:17][CH:18]=[CH:19][CH:20]=3)[CH2:12][CH2:13]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 5

HCID 962WaterHCID 1140TolueneHCID 78401-BromopropaneHCID 12679HexamethylphosphoramideHCID 2724432Sodium 1-benzyl-4-(phenylamino)piperidine-4-carboxylate

生成物 1

HCID 12298153Propyl 4-(phenylamino)-1-(phenylmethyl)-4-piperidinecarboxylate ethanedioate

反応条件

温度
10 °C

実験手順

100 parts of sodium 4-(phenylamino)-1-(phenylmethyl)-4-piperidinecarboxylate are dissolved in 565 parts of anhydrous hexamethylphosphoric triamide at 70°-80° C. The solution is cooled to 10° C. and 40.6 parts of 1-bromopropane are added dropwise. Upon completion, stirring is continued for 25 hours at room temperature. Then there are added methylbenzene and water. The organic phase is separated, washed successively with water, 10% of sodium hydroxide solution and again with water, dried, filtered and evaporated. The residue is dissolved in hexane and the solution is allowed to stand overnight at room temperature. It is filtered and the filtrate is evaporated. The residue is converted into the ethanedioate salt in 2-propanone. The salt is filtered off and dried, yielding propyl 4-(phenylamino)-1-(phenylmethyl)-4-piperidinecarboxylate ethanedioate; mp. 192.2° C.

後処理

  1. customThe organic phase is separated
  2. washwashed successively with water, 10% of sodium hydroxide solution and again with water
  3. customdried
  4. filtrationfiltered
  5. customevaporated
  6. dissolutionThe residue is dissolved in hexane
  7. waitto stand overnight at room temperature
  8. filtrationIt is filtered
  9. customthe filtrate is evaporated
  10. filtrationThe salt is filtered off
  11. customdried

出典と根拠

ORDレコード
ord-40823f4011fe4aaf96569833e8262fc8
出典データセット
uspto-grants-1979_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04179569

反応ノート

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