5,7-Bis-benzyloxy-3-(4-benzyloxy-phenyl)-8-(3-hydroxy-3-methyl-but-1-ynyl)-chromen-4-one

Base Information

Chemical Name:5,7-Bis-benzyloxy-3-(4-benzyloxy-phenyl)-8-(3-hydroxy-3-methyl-but-1-ynyl)-chromen-4-one
CAS No.:210166-29-3
Molecular Formula:C₄₁H₃₄O₆
Molecular Weight:622.717
Hs Code.:

Synonyms:5,7-Bis-benzyloxy-3-(4-benzyloxy-phenyl)-8-(3-hydroxy-3-methyl-but-1-ynyl)-chromen-4-one

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Chemical Property of 5,7-Bis-benzyloxy-3-(4-benzyloxy-phenyl)-8-(3-hydroxy-3-methyl-but-1-ynyl)-chromen-4-one

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Technology Process of 5,7-Bis-benzyloxy-3-(4-benzyloxy-phenyl)-8-(3-hydroxy-3-methyl-but-1-ynyl)-chromen-4-one

There total 8 articles about 5,7-Bis-benzyloxy-3-(4-benzyloxy-phenyl)-8-(3-hydroxy-3-methyl-but-1-ynyl)-chromen-4-one 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%

: 115-19-5
2-methyl-but-3-yn-2-ol

: 210166-28-2
5,7-Bis-benzyloxy-3-(4-benzyloxy-phenyl)-8-iodo-chromen-4-one

: 210166-29-3
5,7-Bis-benzyloxy-3-(4-benzyloxy-phenyl)-8-(3-hydroxy-3-methyl-but-1-ynyl)-chromen-4-one

Guidance literature:: With copper(l) iodide; triethylamine; triphenylphosphine; palladium dichloride; In N,N-dimethyl-formamide; at 80 ℃; for 2.5h;

Reference yield:

: 18065-05-9
1-[2,4-bis(benzyloxy)-6-hydroxyphenyl]ethanone

: 210166-29-3
5,7-Bis-benzyloxy-3-(4-benzyloxy-phenyl)-8-(3-hydroxy-3-methyl-but-1-ynyl)-chromen-4-one

Guidance literature:: Multi-step reaction with 8 steps

1: 76 percent / silver trifluoroacetate, I₂ / CHCl₃ / 0.5 h / Ambient temperature

2: 90 percent / N,N-diisopropylethylamine / CH₂Cl₂ / 1.25 h / Ambient temperature

3: KOH / ethanol / 4.5 h / Heating

4: conc. aq. HCl / CHCl₃; ethanol / 1 h / 40 °C

5: 94 percent / pyridine / 2 h / 110 °C

6: 69 percent / thallium (III) nitrate trihydrate / CHCl₃ / 7 h / 40 °C

7: 79 percent / 10percent aq. NaOH / tetrahydrofuran / 3 h / Ambient temperature

8: 82 percent / Et₃N, PdCl₂, PPh₃, CuI / dimethylformamide / 2.5 h / 80 °C

With pyridine; hydrogenchloride; potassium hydroxide; sodium hydroxide; copper(l) iodide; iodine; silver trifluoroacetate; triethylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine; thallium(III) nitrate; palladium dichloride; In tetrahydrofuran; ethanol; dichloromethane; chloroform; N,N-dimethyl-formamide;

Reference yield:

: 95165-66-5
3-Iod-2-hydroxy-4,6-dibenzyloxy-acetophenon

: 210166-29-3
5,7-Bis-benzyloxy-3-(4-benzyloxy-phenyl)-8-(3-hydroxy-3-methyl-but-1-ynyl)-chromen-4-one

Guidance literature:: Multi-step reaction with 7 steps

1: 90 percent / N,N-diisopropylethylamine / CH₂Cl₂ / 1.25 h / Ambient temperature

2: KOH / ethanol / 4.5 h / Heating

3: conc. aq. HCl / CHCl₃; ethanol / 1 h / 40 °C

4: 94 percent / pyridine / 2 h / 110 °C

5: 69 percent / thallium (III) nitrate trihydrate / CHCl₃ / 7 h / 40 °C

6: 79 percent / 10percent aq. NaOH / tetrahydrofuran / 3 h / Ambient temperature

7: 82 percent / Et₃N, PdCl₂, PPh₃, CuI / dimethylformamide / 2.5 h / 80 °C

With pyridine; hydrogenchloride; potassium hydroxide; sodium hydroxide; copper(l) iodide; triethylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine; thallium(III) nitrate; palladium dichloride; In tetrahydrofuran; ethanol; dichloromethane; chloroform; N,N-dimethyl-formamide;