benzyl 2,3-dihydro-6-hydroxy-4'-methoxy-2',3-dioxo-4-(3-oxopentyl)-6'-pentylspiro-5'-carboxylate

Base Information

Chemical Name:benzyl 2,3-dihydro-6-hydroxy-4'-methoxy-2',3-dioxo-4-(3-oxopentyl)-6'-pentylspiro-5'-carboxylate
CAS No.:122849-90-5
Molecular Formula:C₃₂H₃₄O₈
Molecular Weight:546.617
Hs Code.:

benzyl 2,3-dihydro-6-hydroxy-4'-methoxy-2',3-dioxo-4-(3-oxopentyl)-6'-pentylspiro<benzofuran-2,1'-cyclohexa-3',5'-diene>-5'-carboxylate

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Chemical Property of benzyl 2,3-dihydro-6-hydroxy-4'-methoxy-2',3-dioxo-4-(3-oxopentyl)-6'-pentylspiro-5'-carboxylate

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Technology Process of benzyl 2,3-dihydro-6-hydroxy-4'-methoxy-2',3-dioxo-4-(3-oxopentyl)-6'-pentylspiro-5'-carboxylate

There total 20 articles about benzyl 2,3-dihydro-6-hydroxy-4'-methoxy-2',3-dioxo-4-(3-oxopentyl)-6'-pentylspiro-5'-carboxylate 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: 52.0%

: 122849-89-2
benzyl 3-<4',6'-dihydroxy-2'-(3-oxopentyl)benzoyl>-4-hydroxy-6-methoxy-2-pentylbenzoate

: 122849-90-5
benzyl 2,3-dihydro-6-hydroxy-4'-methoxy-2',3-dioxo-4-(3-oxopentyl)-6'-pentylspiro-5'-carboxylate

Guidance literature:: With potassium carbonate; potassium hexacyanoferrate(III); In 1,4-dioxane; water; for 0.166667h;

Reference yield:

: 24131-31-5
3,5-dibenzyloxybenzyl alcohol

: 122849-90-5
benzyl 2,3-dihydro-6-hydroxy-4'-methoxy-2',3-dioxo-4-(3-oxopentyl)-6'-pentylspiro-5'-carboxylate

Guidance literature:: Multi-step reaction with 12 steps

1: 95 percent / thionyl chloride, pyridine / CH₂Cl₂ / 3 h / Ambient temperature

2: 88 percent / dimethylformamide / 7 h / Ambient temperature

3: 91 percent / 30percent aq. sodium hydroxide / methanol / 72 h / Heating

4: 95 percent / potassium carbonate / acetone / 3 h / Heating

5: 95 percent / lithium aluminium hydride / diethyl ether / 2 h / Heating

6: 85 percent / pyridine / CHCl₃ / 3 h / 0 °C

7: 94 percent / 1,2-dimethoxyethane / dimethylsulfoxide / 18 h / Ambient temperature

8: 81 percent / ether / benzene / 1 h / Ambient temperature; aq. hydrochloric acid, ethyl acetate, 16 h

9: trifluoroacetic anhydride / nitromethane / 1.5 h / 0 °C

10: H₂, conc. hydrichloric acid (4 drops) / 10percent palladized charcoal / ethyl acetate

11: 53 percent / potassium hydrogen carbonate / dimethylformamide / 14 h / Ambient temperature

12: 52 percent / potassium hexacyanoferrate(III), potassium carbonate / H₂O; dioxane / 0.17 h

With pyridine; hydrogenchloride; sodium hydroxide; lithium aluminium tetrahydride; 1,2-dimethoxyethane; thionyl chloride; diethyl ether; hydrogen; potassium carbonate; potassium hydrogencarbonate; trifluoroacetic anhydride; potassium hexacyanoferrate(III); palladium on activated charcoal; In 1,4-dioxane; methanol; diethyl ether; nitromethane; dichloromethane; chloroform; water; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide; acetone; benzene;

Reference yield:

: 2732-96-9
3,5-dibenzyloxyphenylacetic acid

: 122849-90-5
benzyl 2,3-dihydro-6-hydroxy-4'-methoxy-2',3-dioxo-4-(3-oxopentyl)-6'-pentylspiro-5'-carboxylate

Guidance literature:: Multi-step reaction with 9 steps

1: 95 percent / potassium carbonate / acetone / 3 h / Heating

2: 95 percent / lithium aluminium hydride / diethyl ether / 2 h / Heating

3: 85 percent / pyridine / CHCl₃ / 3 h / 0 °C

4: 94 percent / 1,2-dimethoxyethane / dimethylsulfoxide / 18 h / Ambient temperature

5: 81 percent / ether / benzene / 1 h / Ambient temperature; aq. hydrochloric acid, ethyl acetate, 16 h

6: trifluoroacetic anhydride / nitromethane / 1.5 h / 0 °C

7: H₂, conc. hydrichloric acid (4 drops) / 10percent palladized charcoal / ethyl acetate

8: 53 percent / potassium hydrogen carbonate / dimethylformamide / 14 h / Ambient temperature

9: 52 percent / potassium hexacyanoferrate(III), potassium carbonate / H₂O; dioxane / 0.17 h

With pyridine; hydrogenchloride; lithium aluminium tetrahydride; 1,2-dimethoxyethane; diethyl ether; hydrogen; potassium carbonate; potassium hydrogencarbonate; trifluoroacetic anhydride; potassium hexacyanoferrate(III); palladium on activated charcoal; In 1,4-dioxane; diethyl ether; nitromethane; chloroform; water; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide; acetone; benzene;