A Facile Synthesis of 1,2,3,4-Tetrahydro-7-hydroxyisoquinoline-3-carboxylic Acid, a Conformationally Constrained Tyrosine Analogue
- 1 January 1992
- journal article
- research article
- Published by Georg Thieme Verlag KG in Synthesis
- Vol. 1992 (05) , 458-460
- https://doi.org/10.1055/s-1992-26135
Abstract
A rapid synthesis of 1,2,3,4-tetrahydro-7-hydroxyisoquinoline-3-carboxylic acid is given. Pictet-Spengler reaction on diiodo- or dibromo-substituted tyrosine (3-(3,5-dihalo-4-hydroxyphenyl)-2-aminopropanoic acid), followed by catalytic dehalogenation gives the desired compound in high optical purity.Keywords
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