8,9-dimethoxy-2-(p-tolylsulfonyl)-2,3,7,11b-tetrahydro-1H-napth<1,2,3-de>isoquinoline

Base Information

Chemical Name:8,9-dimethoxy-2-(p-tolylsulfonyl)-2,3,7,11b-tetrahydro-1H-napth<1,2,3-de>isoquinoline
CAS No.:173548-68-0
Molecular Formula:C₂₅H₂₅NO₄S
Molecular Weight:435.544
Hs Code.:

Synonyms:8,9-dimethoxy-2-(p-tolylsulfonyl)-2,3,7,11b-tetrahydro-1H-napth<1,2,3-de>isoquinoline

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Chemical Property of 8,9-dimethoxy-2-(p-tolylsulfonyl)-2,3,7,11b-tetrahydro-1H-napth<1,2,3-de>isoquinoline

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Technology Process of 8,9-dimethoxy-2-(p-tolylsulfonyl)-2,3,7,11b-tetrahydro-1H-napth<1,2,3-de>isoquinoline

There total 5 articles about 8,9-dimethoxy-2-(p-tolylsulfonyl)-2,3,7,11b-tetrahydro-1H-napth<1,2,3-de>isoquinoline which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 82.0%

: 173548-67-9
4-(3,4-dimethoxy-2-hydroxymethylphenyl)(N-p-toluenesulfonyl)-1,2,3,4-tetrahydroisoquinoline

: 173548-68-0
8,9-dimethoxy-2-(p-tolylsulfonyl)-2,3,7,11b-tetrahydro-1H-napth<1,2,3-de>isoquinoline

Guidance literature:: With sulfuric acid; for 2h;
DOI:10.1021/jm950707+

Reference yield:

: 98-59-9
p-toluenesulfonyl chloride

: 173548-68-0
8,9-dimethoxy-2-(p-tolylsulfonyl)-2,3,7,11b-tetrahydro-1H-napth<1,2,3-de>isoquinoline

Guidance literature:: Multi-step reaction with 4 steps

1: 97 percent / Et₃N / CHCl₃ / 1 h / Ambient temperature

2: H₂ / 10percent Pd/C / acetic acid / 48 h / 2585.7 Torr / Ambient temperature

3: 81 percent / BH₃*THF / tetrahydrofuran / Heating

4: 82 percent / conc. H₂SO₄ / 2 h

With borane-THF; sulfuric acid; hydrogen; triethylamine; palladium on activated charcoal; In tetrahydrofuran; chloroform; acetic acid;
DOI:10.1021/jm950707+

Reference yield:

: 173548-65-7
2',3'-dihydro-4,5-dimethoxy-2'-p-toluenesulfonylspiro[isobenzofuran-1(3H),4'(1'H)-isoquinoline]-3-one

: 173548-68-0
8,9-dimethoxy-2-(p-tolylsulfonyl)-2,3,7,11b-tetrahydro-1H-napth<1,2,3-de>isoquinoline

Guidance literature:: Multi-step reaction with 3 steps

1: H₂ / 10percent Pd/C / acetic acid / 48 h / 2585.7 Torr / Ambient temperature

2: 81 percent / BH₃*THF / tetrahydrofuran / Heating

3: 82 percent / conc. H₂SO₄ / 2 h

With borane-THF; sulfuric acid; hydrogen; palladium on activated charcoal; In tetrahydrofuran; acetic acid;
DOI:10.1021/jm950707+