2-Methyl-3-phenyl-1,2,3,7,8,8a-hexahydro-1H-cyclopent[i,j]-isoquinoline hydrobromide
专利汇可以提供2-Methyl-3-phenyl-1,2,3,7,8,8a-hexahydro-1H-cyclopent[i,j]-isoquinoline hydrobromide专利检索，专利查询，专利分析的服务。并且A compound 2-methyl-3-phenyl-1,2,3,7,8,8a-hexahydro-1H-cyclopent[i,j]-isoquinoline hydrobromide of the formula: ##SPC1##Possesses pharmacological activity as an antidepressant.，下面是2-Methyl-3-phenyl-1,2,3,7,8,8a-hexahydro-1H-cyclopent[i,j]-isoquinoline hydrobromide专利的具体信息内容。
What is claimed is:1. A compound of the formula: ##SPC3##
This invention relates to a chemical compound. In particular it is concerned with a compound of the formula: ##SPC2##
This compound possesses pharmacological activity affecting the central nervous system. When administered perorally to animals it exhibits antidepressant action. Its antidepressant property is evidienced in the control of tetrabenazine-induced ptosis in mice. An oral dose of 50 mg/kg of this compound mice intraperitoneally receiving 35 mg/kg of tetrabenazine counteracts the ptosis producing property of tetrabenazine.
In order that this invention be readily available to and understood by those skilled in the art the following illustration is included:
A. 2-(1-Indanylamino)-1-phenylpropanol hydrochloride
A mixture of 50 g (0.378 mole) of 1-indanone, 57.0 g (0.378 mole) of 2-amino-1-phenylpropanol, 2.0 g p-toluenesulfonic acid monohydrate and 250 ml. toluene was stirred and refluxed using a Dean-Stark apparatus until the theoretical amount of water was collected. The solvents were removed in vacuo and the residue was dissolved in 750 ml. CH3 OH. The solution was stirred at 15°-20° while sodium borohydride (15.2 g, 0.40 mole) was added over 10 minutes. The mixture was stirred at 10°-20° for 3.0 hours, diluted with 750 ml. H2 O and extracted with 2 × 300 ml. chloroform. The combined chloroform extracts were dried (MgSO4) and concentrated to dryness in vacuo. Treatment of an ethanolic solution of the residue with ethanolic hydrogen chloride gave in two crops 62.0 g (54%) of the product.
B. 2-Methyl-3-phenyl-1,2,3,7,8,8a-hexahydro-1H-cyclopent[i,j]isoquinoline hydrobromide
A mixture of 31.6g(0.104 mole) of A and 400 ml 48HBr was stirred and refluxed for 6.0 hours. The mixture was cooled and stirred in an ice bath for 30 minutes and the solid was filtered through a medium sintered glass funnel. The solid was air dried and then recrystallized from 600 ml. CH3 CN to give 13.40 g (40%) of the product, m.p. 190°-200°. Further recrystallization from acetonitrile gave the analytical sample, m.p. 207°-210°.
Anal. Calcd. for C18 H19 N.HBr: C, 65.46; H, 6.10; N, 4.24. Found: C, 65.19; H, 6.28; N, 4.18.
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