C(O[C:4]1[CH:5]=C(C=C[C:11]=1C)C=O)C.[OH:13][C:14]1[CH:15]=[C:16]([CH:19]=[CH:20][C:21]=1[O:22][CH3:23])[CH:17]=[O:18].C(Br)C=C.C([O-])([O-])=O.[K+].[K+]>CN(C=O)C>[CH2:5]([O:13][C:14]1[CH:15]=[C:16]([CH:19]=[CH:20][C:21]=1[O:22][CH3:23])[CH:17]=[O:18])[CH:4]=[CH2:11]The title compound was prepared analogously to 3-ethoxy-4-methyl-benzaldehyde (intermediate B21, vide infra) by reaction of 3-hydroxy-4-methoxy-benzaldehyde with allylbromide in DMF using K2CO3 as base (see also A. W. White, R. Almassy, A. H. Calvert, N.J. Curtin, R. J. Griffin, Z. Hostomsky, K. Maegley, D. R. Newell, S. Srinivasan and B. T. Golding J. Med. Chem. 2000, 43, 4084-4097).
Wird geladen…