[C:1]1([C:7]2[CH:8]=[C:9]([OH:13])[CH:10]=[CH:11][CH:12]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.Cl.O=[C:16]1[CH2:21][CH2:20][NH:19][CH2:18][CH:17]1[C:22](OC)=[O:23]>>[C:1]1([C:7]2[CH:12]=[CH:11][C:10]3[C:16]4[CH2:21][CH2:20][NH:19][CH2:18][C:17]=4[C:22](=[O:23])[O:13][C:9]=3[CH:8]=2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1Prepared by the method described for Example 1 from 3-phenylphenol (17 g, 0.1 moles) and methyl 4-oxo-3-piperidinecarboxylate hydrochloride (19.3 g, 0.1 moles). The crude material is washed with water and dried to give the product (15 g), mp 250°-270° C.
Wird geladen…