Chemical Research Letters, May 2021. Research speed reading in 2021. 166591-85-1, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 166591-85-1, Name is 2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid, molecular formula is C15H19NO4. In a Patent，once mentioned of 166591-85-1
The present invention relates to an improved process for the preparation of Alfuzosin of formula (I). The process involves utilizing intermediate of formula (Ia) wherein S represents acid residue of organic acids like acetic acid, oxalic acid, succinic acid, methane sulfonic acid, p-toluene sulfonic acid and the like. The present invention also relates to novel Amorphous form of Alfuzosin of formula (I).
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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem