1'-(4-isopropoxy-3-methoxybenzoyl)-3,3-dimethylspiro[chroman-2,4'-piperidin]-4-one

Base Information

Chemical Name:1'-(4-isopropoxy-3-methoxybenzoyl)-3,3-dimethylspiro[chroman-2,4'-piperidin]-4-one
CAS No.:1394032-30-4
Molecular Formula:C₂₆H₃₁NO₅
Molecular Weight:437.536
Hs Code.:

Synonyms:1'-(4-isopropoxy-3-methoxybenzoyl)-3,3-dimethylspiro[chroman-2,4'-piperidin]-4-one

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Chemical Property of 1'-(4-isopropoxy-3-methoxybenzoyl)-3,3-dimethylspiro[chroman-2,4'-piperidin]-4-one

Chemical Property:

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Technology Process of 1'-(4-isopropoxy-3-methoxybenzoyl)-3,3-dimethylspiro[chroman-2,4'-piperidin]-4-one

There total 5 articles about 1'-(4-isopropoxy-3-methoxybenzoyl)-3,3-dimethylspiro[chroman-2,4'-piperidin]-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:

: 1394030-79-5
1'-(4-isopropoxy-3-methoxy-benzoyl)spiro[chromane-2,4'-piperidine]-4-one

: 74-88-4
methyl iodide

: 1394032-29-1
1'-(4-isopropoxy-3-methoxybenzoyl)-3-methylspiro[chroman-2,4'-piperidin]-4-one

: 1394032-30-4
1'-(4-isopropoxy-3-methoxybenzoyl)-3,3-dimethylspiro[chroman-2,4'-piperidin]-4-one

Guidance literature:: 1'-(4-isopropoxy-3-methoxy-benzoyl)spiro[chromane-2,4'-piperidine]-4-one; With lithium hexamethyldisilazane; In tetrahydrofuran; at -78 ℃; for 0.666667h;

methyl iodide; In tetrahydrofuran; at -78 - 20 ℃;

Reference yield:

: 118-93-4,104809-67-8
o-hydroxyacetophenone

: 1394032-29-1
1'-(4-isopropoxy-3-methoxybenzoyl)-3-methylspiro[chroman-2,4'-piperidin]-4-one

: 1394032-30-4
1'-(4-isopropoxy-3-methoxybenzoyl)-3,3-dimethylspiro[chroman-2,4'-piperidin]-4-one

Guidance literature:: Multi-step reaction with 4 steps

1.1: pyrrolidine / methanol / 20 h / 80 °C

2.1: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 25 °C

3.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 16 h / 20 °C

4.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.67 h / -78 °C

4.2: -78 - 20 °C

With pyrrolidine; hydrogen; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; lithium hexamethyldisilazane; palladium 10% on activated carbon; In tetrahydrofuran; methanol; dichloromethane; isopropyl alcohol;

Reference yield:

: 19099-93-5
benzyl 4-oxo-1-piperidinecarboxylate

: 1394032-29-1
1'-(4-isopropoxy-3-methoxybenzoyl)-3-methylspiro[chroman-2,4'-piperidin]-4-one

: 1394032-30-4
1'-(4-isopropoxy-3-methoxybenzoyl)-3,3-dimethylspiro[chroman-2,4'-piperidin]-4-one

Guidance literature:: Multi-step reaction with 4 steps

1.1: pyrrolidine / methanol / 20 h / 80 °C

2.1: hydrogen / palladium 10% on activated carbon / isopropyl alcohol / 25 °C

3.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 16 h / 20 °C

4.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.67 h / -78 °C

4.2: -78 - 20 °C

With pyrrolidine; hydrogen; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; lithium hexamethyldisilazane; palladium 10% on activated carbon; In tetrahydrofuran; methanol; dichloromethane; isopropyl alcohol;