申请人:ICHIKAWA GOSEI CHEMICAL CO., LTD.
公开号:EP0658537A1
公开(公告)日:1995-06-21
1,2-di-substituted indan expressed by general formula (I) wherein X is a substituent which can be drawn out under an acidic condition to form a carbocation at 1-position of an indan skeleton, Y is a halogen atom, and X and Y can be in either cis- or trans-configuration forming either a racemic body or an optically active substance; or 1,2-di-substituted indan expressed by general formula (I') wherein X is a substituent which can be drawn out under an acidic condition to form a carbocation at 1-position of an indan skeleton, and X and OH group can be in either cis- or trans-configuration forming either a racemic body or an optically-active substance; or cis-1,2-epoxyindan expressed by general formula (VI) wherein R is phenyl or a lower alkyl group is reacted, under an acidic condition, with a nitrile expressed by general formula (II) wherein R is phenyl or a lower alkyl group to form a cis-oxazoline derivative of formula IV wherein R is phenyl or a lower alkyl group and the oxazoline ring is in cis-configuration forming either a racemic body or an optically active substance which is hydrolysed to produce cis-1-aminoindan-2-ol expressed by general formula (V) wherein NH₂ and OH groups are in cis-configuration forming either a racemic body or an optically-active substance.
通式(I)表示的 1,2-二取代茚满,其中 X 是可在酸性条件下抽出以在茚满骨架的 1 位形成碳位的取代基,Y 是卤素原子,且 X 和 Y 可以顺式或反式构型形成外消旋体或光学活性物质;或通式(I')表示的 1,2-二取代茚满,其中 X 为取代基,可在酸性条件下抽出,在茚满骨架的 1 位形成碳位,X 和 OH 基可顺式或反式构型,形成外消旋体或光学活性物质;或通式(VI)表示的顺式-1,2-环氧茚满,其中 R 是苯基或低级烷基,在酸性条件下与通式(VI)表示的腈反应、与通式(II)(其中 R 是苯基或低级烷基)表示的腈反应,生成通式(IV)表示的顺式噁唑啉衍生物,其中 R 是苯基或低级烷基,噁唑啉环顺式构型,形成外消旋体或光学活性物质,水解生成通式(V)表示的顺式-1-氨基茚满-2-醇,其中 NH₂ 和 OH 基顺式构型,形成外消旋体或光学活性物质。