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2,4-Dichlorobenzoyl chloride → 2,4-Dichloro-N-[(8-cyclopropylmethyl-1,4-dioxaspiro[4.5]dec-8-yl)methyl]benzamide

HRID 2263601
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2263601
[CH:1]1([CH2:4][C:5]2([CH2:15][NH2:16])[CH2:14][CH2:13][C:8]3([O:12][CH2:11][CH2:10][O:9]3)[CH2:7][CH2:6]2)[CH2:3][CH2:2]1.C(N(C(C)C)C(C)C)C.[Cl:26][C:27]1[CH:35]=[C:34]([Cl:36])[CH:33]=[CH:32][C:28]=1[C:29](Cl)=[O:30]>C(Cl)Cl>[Cl:26][C:27]1[CH:35]=[C:34]([Cl:36])[CH:33]=[CH:32][C:28]=1[C:29]([NH:16][CH2:15][C:5]1([CH2:4][CH:1]2[CH2:3][CH2:2]2)[CH2:14][CH2:13][C:8]2([O:12][CH2:11][CH2:10][O:9]2)[CH2:7][CH2:6]1)=[O:30]
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Komponenten

5

Edukt 3

HCID 666452,4-Dichlorobenzoyl chlorideHCID 81531DiisopropylethylamineHCID 686836208-(Cyclopropylmethyl)-1,4-dioxaspiro[4.5]decane-8-methanamine

Produkt 1

HCID 686824732,4-Dichloro-N-[(8-cyclopropylmethyl-1,4-dioxaspiro[4.5]dec-8-yl)methyl]benzamide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a solution of {[8-(cyclopropylmethyl)-1,4-dioxaspiro[4.5]dec-8-yl]methyl}amine (7 g; 31.0 mmol) and n-ethyldiisopropylamine (6.45 ml; 37.2 mmol) in DCM (60 ml) at 0° C. was added 2,4-dichlorobenzoyl chloride (4.781 ml; 34.17 mmol) dropwise and the solution stirred for 4 hours warming to ambient temperature. The reaction was partitioned between DCM (50 ml) and water (20 ml). The aqueous phase was extracted with DCM (20 ml) and the combined organics dried over MgSO4, filtered and evaporated to give a colourless oil which was used in the next step without further purification. (11.5 g) 1H NMR δ (ppm) (CDCl3): 7.67 (1H, d, J=8.3 Hz), 7.43 (1H, d, J=2.0 Hz), 7.32 (1H, dd, J=2.0, 8.4 Hz), 6.25 (1H, s), 3.93 (4H, s), 3.56 (2H, d, J=6.2 Hz), 1.67 (8H, m), 1.33 (2H, d, J=6.7 Hz), 0.75-0.65 (1H, m), 0.51-0.47 (2H, m), 0.05 (2H, q, J=5.0 Hz). MS (m/e)=398

Aufarbeitung

  1. customThe reaction was partitioned between DCM (50 ml) and water (20 ml)
  2. extractionThe aqueous phase was extracted with DCM (20 ml)
  3. dry with materialthe combined organics dried over MgSO4
  4. filtrationfiltered
  5. customevaporated
  6. customto give a colourless oil which
  7. customwas used in the next step without further purification

Quellen und Nachweise

ORD-Eintrag
ord-76d2f20d829446f187db4238929bcd4e
Quelldatensatz
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07851638B2

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