、 氢气 、 、 (S)-2-Amino-7-ethoxycarbonylmethoxy-l,2,3,4-tetrahydronaphthalene hydrochloride 以A solution of 1.8 g of phenyloxirane and 3.7 g of 2-amino-7-carbethoxymethoxytetraline base, obtained by neutralization of the hydrochloride的产率得到氧化苯乙烯
This invention relates to new propanolamine derivatives presented by the following formula [I]:
1
wherein
R
1
is hydrogen or lower alkenyloxy,
R
2
is carboxy(lower)alkoxy or protected carboxy(lower)alkoxy,
R
3
is hydrogen or N-protective group,
n is an integer of 1 or 2,
and salts thereof which have gut selective sympathomimetic, anti-ulcerous, anti-pancreatitis, lipolytic and anti-pollakisuria activities, to processes for the preparation thereof and to a pharmaceutical composition comprising the same.
Ethers de la 2-amino-7-hydroxytétraline de formule
dans laquelle R′ représente un méthyle substitué par un groupe carboxy ou carbalcoxy inférieur; un procédé pour leur préparation à partir de la 2-amino-7-hydroxytétraline, N-protection, O-alkylation et N-déprotection; intermédiaires N-protégés; et utilisation des composés I pour la préparation des phényléthanolaminotétralines correspondantes.
2-氨基-7-羟基四氢萘的醚类,其式为
其中 R′代表被羧基或低级烷氧基取代的甲基;由 2-氨基-7-羟基四氢萘,N-保护,O-烷基化和 N-脱保护制备它们的工艺;N-保护的中间体;以及使用化合物 I 制备相应的苯乙醇胺四氢萘。
PROPANOLAMINE DERIVATIVES
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0976720A1
公开(公告)日:2000-02-02
This invention relates to new propanolamine derivatives presented by the following formula [I] :
wherein
R1 ishydrogen or lower alkenyloxy,
R2 iscarboxy(lower)alkoxy or protected carboxy(lower)alkoxy,
R3 ishydrogen or N-protective group,
n isan integer of 1 or 2,
and salts thereof which have gut selective sympathomimetic, anti-ulcerous, anti-pancreatitis, lipolytic and anti-pollakisuria activities, to processes for the preparation thereof and to a pharmaceutical composition comprising the same.