8-benzyl-5-(3-bromo-4-fluorophenyl)-5,8,9,10-tetrahydro-1H-pyrano[3,4-b][1,7]naphthyridine-4,6(3H,7H)-dione

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Chemical Name:8-benzyl-5-(3-bromo-4-fluorophenyl)-5,8,9,10-tetrahydro-1H-pyrano[3,4-b][1,7]naphthyridine-4,6(3H,7H)-dione
CAS No.:265321-19-5
Molecular Formula:C₂₄H₂₀BrFN₂O₃
Molecular Weight:483.337
Hs Code.:

Synonyms:8-benzyl-5-(3-bromo-4-fluorophenyl)-5,8,9,10-tetrahydro-1H-pyrano[3,4-b][1,7]naphthyridine-4,6(3H,7H)-dione

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Chemical Property of 8-benzyl-5-(3-bromo-4-fluorophenyl)-5,8,9,10-tetrahydro-1H-pyrano[3,4-b][1,7]naphthyridine-4,6(3H,7H)-dione

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Technology Process of 8-benzyl-5-(3-bromo-4-fluorophenyl)-5,8,9,10-tetrahydro-1H-pyrano[3,4-b][1,7]naphthyridine-4,6(3H,7H)-dione

There total 6 articles about 8-benzyl-5-(3-bromo-4-fluorophenyl)-5,8,9,10-tetrahydro-1H-pyrano[3,4-b][1,7]naphthyridine-4,6(3H,7H)-dione 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: 39.0%

: 50866-56-3
1-(benzyl)piperidin-3,5-dione

: 77771-02-9
3-bromo-4-fluorobenzaldehyde

: 265321-06-0
5-amino-2H-pyran-3(6H)-one

: 265321-19-5
8-benzyl-5-(3-bromo-4-fluorophenyl)-5,8,9,10-tetrahydro-1H-pyrano[3,4-b][1,7]naphthyridine-4,6(3H,7H)-dione

Guidance literature:: With triethylamine; In ethanol; at 80 ℃; for 60h;
DOI:10.1081/SCC-120027702

Reference yield:

: 61363-56-2
2H-pyran-3,5(4H,6H)-dione

: 265321-19-5
8-benzyl-5-(3-bromo-4-fluorophenyl)-5,8,9,10-tetrahydro-1H-pyrano[3,4-b][1,7]naphthyridine-4,6(3H,7H)-dione

Guidance literature:: Multi-step reaction with 3 steps

1: H₂SO₄ / 20 °C

2: 0.38 g / NH₃ / ethanol / 20 °C

3: 39 percent / Et₃N / ethanol / 60 h / 80 °C

With sulfuric acid; ammonia; triethylamine; In ethanol; 3: Hantzsch reaction;
DOI:10.1081/SCC-120027702

Reference yield:

: 67500-49-6
methyl 2-(prop-2-yn-1-yloxy)acetate

: 265321-19-5
8-benzyl-5-(3-bromo-4-fluorophenyl)-5,8,9,10-tetrahydro-1H-pyrano[3,4-b][1,7]naphthyridine-4,6(3H,7H)-dione

Guidance literature:: Multi-step reaction with 5 steps

1: 55 percent / Hg(OAc)2; H₂SO₄ / methanol; H₂O / 0.33 h / Heating

2: 31 percent / KOtBu / diethyl ether; 2-methyl-propan-2-ol / 2 h

3: H₂SO₄ / 20 °C

4: 0.38 g / NH₃ / ethanol / 20 °C

5: 39 percent / Et₃N / ethanol / 60 h / 80 °C

With sulfuric acid; potassium tert-butylate; mercury(II) diacetate; ammonia; triethylamine; In methanol; diethyl ether; ethanol; water; tert-butyl alcohol; 5: Hantzsch reaction;
DOI:10.1081/SCC-120027702