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Clonidine → 2-[N-(2,6-dichlorophenyl)-N-(2-methyl-1-butene-4-yl)-amino]2-imidazoline

HRID 1277417
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1277417
[CH:1]1[CH:6]=[C:5]([Cl:7])[C:4]([NH:8][C:9]2[NH:13][CH2:12][CH2:11][N:10]=2)=[C:3]([Cl:14])[CH:2]=1.Br[CH2:16][CH2:17][C:18]([CH3:20])=[CH2:19].C(N(CC)CC)C>C1(C)C=CC=CC=1>[Cl:14][C:3]1[CH:2]=[CH:1][CH:6]=[C:5]([Cl:7])[C:4]=1[N:8]([C:9]1[NH:10][CH2:11][CH2:12][N:13]=1)[CH2:16][CH2:17][C:18]([CH3:20])=[CH2:19]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 2803ClonidineHCID 8471TriethylamineHCID 5495854-Bromo-2-methylbut-1-ene

Produkt 1

HCID 234541072-[N-(2,6-dichlorophenyl)-N-(2-methyl-1-butene-4-yl)-amino]2-imidazoline

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 1140TolueneLösungsmittel

Reaktionsbedingungen

Temperatur
120 °C

Versuchsvorschrift

A mixture of 6.9 gm (0.03 mol) of clonidine, 5.6 gm of 4-bromo-2-methyl-1-butene, and 5 ml of triethylamine in 25 ml of toluene was heated for 24 hours at 120° C. After cooling, the solvent was decanted, and the residue remaining was dissolved in 1 N hydrochloric acid. After extraction with ether several times (the ethereal extracts were abandoned), the solution was extracted with ether in fractions at stepwisely rising pH values (alkalizing with 2 N sodium hydroxide solution). The thin-layer chromatographically uniform ether extracts were united and dried over MgSO4, and the ether was evaporated in vacuo.

Aufarbeitung

  1. temperatureAfter cooling
  2. customthe solvent was decanted
  3. dissolutionthe residue remaining was dissolved in 1 N hydrochloric acid
  4. extractionAfter extraction with ether several times (the ethereal extracts
  5. extractionwas extracted with ether in fractions
  6. dry with materialdried over MgSO4
  7. customthe ether was evaporated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-3d87352bb14d48abb106dbb312628568
Quelldatensatz
uspto-grants-1981_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04277487

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