Tosylmethyl isocyanide → Ethyl 4-methyl-1h-pyrrole-3-carboxylate

HRID 554186

Reaktionsgleichung

Reaktionsgleichung von HRID 554186
C1(C)C=CC(S([CH2:10][N+:11]#[C-:12])(=O)=O)=CC=1.[C:14]([O:19][CH2:20][CH3:21])(=[O:18])/[CH:15]=[CH:16]/[CH3:17].CC(C)([O-])C.[K+]>>[CH3:17][C:16]1[C:15]([C:14]([O:19][CH2:20][CH3:21])=[O:18])=[CH:10][NH:11][CH:12]=1

Komponenten

4

Edukt 3

HCID 161915Tosylmethyl isocyanideHCID 429065Ethyl trans-crotonateHCID 23665647Potassium tert-butoxide

Produkt 1

HCID 235044Ethyl 4-methyl-1h-pyrrole-3-carboxylateAusbeute 71,1 %

Versuchsvorschrift

Using p-toluenesulfonylmethyl isocyanide (8.55 g), ethyl crotonate (5.0 g) and potassium tert-butoxide (5.90 g), a procedure as in Reference Example 39 was performed to give the title compound as a pale-yellow solid (yield 4.77 g, 71%).

Quellen und Nachweise

ORD-Eintrag
ord-c31a5c841b6e47ee8805ad48720a6c35
Quelldatensatz
uspto-grants-2011_11
Patentnummer
US08048909B2

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