[CH3:1][NH:2][C:3]1[CH:8]=[CH:7][C:6]2[O:9][CH2:10][O:11][C:5]=2[CH:4]=1.[C:12](Cl)([Cl:14])=[O:13]>>[CH3:1][N:2]([C:3]1[CH:8]=[CH:7][C:6]2[O:9][CH2:10][O:11][C:5]=2[CH:4]=1)[C:12]([Cl:14])=[O:13]By following the procedure described in example 1A N-methyl-3,4-methylenedioxyaniline (N. J. Houlihan et al., J.Het. Chem. 19, 1453 (1982)) (3.02 g, 20 mmol) was reacted with phosgene to give 3.0 g N-methyl-N -(3,4-methylenedioxyphenyl)carbamoylchloride. M.p. 71°-73° C.
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