| 摘要 |
In the preparation of aminoalkylfurans or -thiophenes of the formula (I) <IMAGE> in which R1, R2 and R3 denote H, CH3, C2H5, C3H5 or C3H7 and X is O or S, 1-nitro-2,2-bis(methylthio)ethylene is reacted with a compound of the formula (II) <IMAGE> in which R1 and R2 have the abovementioned meaning, and the reaction product is reacted with an aliphatic amine of the formula R3-NH2 in which R3 has the abovementioned meaning, as a result of which the compounds of the formula (I) are obtained.
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