Ethyl cyanoacetate → 5'-(2-Cyano-2-ethoxycarbonylvinyl)-1,3,3-trimethylspiro-[indoline-2,3'-[3H]-naphtho[2,1-b][1,4]oxazine]

HRID 376215Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 376215
[C:1]([CH2:3][C:4]([O:6][CH2:7][CH3:8])=[O:5])#[N:2].[CH:9]([C:11]1[C:20]2[O:21][C:22]3([C:32]([CH3:34])([CH3:33])[C:31]4[C:26](=[CH:27][CH:28]=[CH:29][CH:30]=4)[N:25]3[CH3:35])[CH:23]=[N:24][C:19]=2[C:18]2[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=2)[CH:12]=1)=O>N1CCCCC1.C(O)C>[C:1]([C:3]([C:4]([O:6][CH2:7][CH3:8])=[O:5])=[CH:9][C:11]1[C:20]2[O:21][C:22]3([C:32]([CH3:33])([CH3:34])[C:31]4[C:26](=[CH:27][CH:28]=[CH:29][CH:30]=4)[N:25]3[CH3:35])[CH:23]=[N:24][C:19]=2[C:18]2[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=2)[CH:12]=1)#[N:2]

Komponenten

5

Edukt 2

HCID 7764Ethyl cyanoacetateHCID 153056895'-Formyl-1,3,3-trimethylspiro[indoline-2,3'-[3H]-naphtho[2,1-b][1,4]oxazine]

Produkt 1

HCID 536585485'-(2-Cyano-2-ethoxycarbonylvinyl)-1,3,3-trimethylspiro-[indoline-2,3'-[3H]-naphtho[2,1-b][1,4]oxazine]

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 8082PiperidineKatalysatorHCID 702EthanolLösungsmittel

Reaktionsbedingungen

Temperatur
60 °C

Versuchsvorschrift

To a solution of 0.18 g (1.5 mmol) of ethyl cyanoacetate in a minimum quantity of ethanol are added 0.36 g (1 mmol) of the product of Example 1 and then two drops of piperidine. The mixture is heated at 60° C. until a precipitate appears. The precipitate obtained is filtered off, washed with ethanol and dried.

Aufarbeitung

  1. customThe precipitate obtained
  2. filtrationis filtered off
  3. washwashed with ethanol
  4. customdried

Quellen und Nachweise

ORD-Eintrag
ord-b382f62596194f3db208fbcf87334264
Quelldatensatz
uspto-grants-2000_02
Patentnummer
US06019914

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