7-Methylbenzofuran → 7-Methyl-2-benzofurancarboxaldehyde

HRID 1579675

Reaktionsgleichung

Reaktionsgleichung von HRID 1579675
[CH3:1][C:2]1[O:3][C:4]2[C:10]([CH3:11])=[CH:9][CH:8]=[CH:7][C:5]=2[CH:6]=1.CC1C2[O:20]C=CC=2C=CC=1>>[CH3:11][C:10]1[C:4]2[O:3][C:2]([CH:1]=[O:20])=[CH:6][C:5]=2[CH:7]=[CH:8][CH:9]=1

Komponenten

3

Edukt 2

HCID 331057-Methylbenzofuran2×HCID 122548752,7-Dimethylbenzofuran

Produkt 1

HCID 105111537-Methyl-2-benzofurancarboxaldehyde

Versuchsvorschrift

i. 2,7-Dimethyl-benzofuran. 7-Methyl-benzofuran (cf. compound (2) g.) is subjected to a WILSMEYER reaction to form 7-methyl-benzofuran-2-aldehyde which is converted into 2,7-dimethyl-benzofuran by a WOLFF-KISHNER reaction by the method described in Bull. Soc. Chim. France 29, 1875 (1952). The product thus obtained has the following peaks in its MS: 146 (100%), 145 (92%) and 131 (32%).

Quellen und Nachweise

ORD-Eintrag
ord-40971cb2f3d2466e9ca63837660f9469
Quelldatensatz
uspto-grants-1976_01
Patentnummer
US03931245

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