Novel phenoxyalkylamine derivatives. VII. Synthesis and pharmacological activities of 2-alkoxy-5-[(phenoxyalkylamino)alkyl]benzenesulfonamide derivatives

DOI: 10.1248/cpb.40.1443

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 1443 - 1451 (1992)

Update date:2022-07-30

Topics:

Authors:

Sakurai Sakurai

Mitani Mitani

Hashimoto

Morikawa

Yasuda Yasuda

Koshinaka

Kato Kato

Ito Ito

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Article abstract of DOI:10.1248/cpb.40.1443

To find a novel α-blocker with high α-blocking selectivity against dopamine D₂-receptor affinity, we performed structural modification of the alkylene chains and the substituents on two benzene rings of 2-alkoxy-5-[(phenoxyalkylamino)alkyl]benzenesulfonamide derivatives. The modification of the alkylene chain between the amino moiety in the center of the molecule and the benzene ring (ring A) was found to be the most significant. 5-[2-[[2-(5-Fluoro-2-methoxyphenoxy)ethyl]amino]propyl]-2-methoxybenze nesulfonamide (II-4), which possesses 1-methylethyl as the alkylene chain, exhibited high α-blocking selectivity as well as potent α-blocking activity.

Full text of DOI:10.1248/cpb.40.1443

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