Compounds of the general formula: ##STR1## in which R.sub.3 is hydrogen, lower alkyl, lower alkenyl or alkoxyalkyl. These compounds are useful in the preparation of novel aminoalkyl furan derivatives having a selective action on histamine receptors.
                            一般式为##STR1##的化合物,其中R.sub.3为氢、低级烷基、低级烯基或烷氧基烷基。这些化合物在制备具有对
组胺受体选择性作用的新型
氨基烷基
呋喃衍
生物中非常有用。