2-[4-Iodo-2-methyl-5-((R)-2,2,6,6-tetramethyl-4-oxo-tetrahydro-pyran-3-ylmethyl)-phenyl]-isoindole-1,3-dione

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Chemical Name:2-[4-Iodo-2-methyl-5-((R)-2,2,6,6-tetramethyl-4-oxo-tetrahydro-pyran-3-ylmethyl)-phenyl]-isoindole-1,3-dione
CAS No.:887142-49-6
Molecular Formula:C₂₅H₂₆INO₄
Molecular Weight:531.39
Hs Code.:

Synonyms:2-[4-Iodo-2-methyl-5-((R)-2,2,6,6-tetramethyl-4-oxo-tetrahydro-pyran-3-ylmethyl)-phenyl]-isoindole-1,3-dione

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Chemical Property of 2-[4-Iodo-2-methyl-5-((R)-2,2,6,6-tetramethyl-4-oxo-tetrahydro-pyran-3-ylmethyl)-phenyl]-isoindole-1,3-dione

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Technology Process of 2-[4-Iodo-2-methyl-5-((R)-2,2,6,6-tetramethyl-4-oxo-tetrahydro-pyran-3-ylmethyl)-phenyl]-isoindole-1,3-dione

There total 9 articles about 2-[4-Iodo-2-methyl-5-((R)-2,2,6,6-tetramethyl-4-oxo-tetrahydro-pyran-3-ylmethyl)-phenyl]-isoindole-1,3-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: 74.0%

: 944262-95-7
2-(4-Iodo-5-{(S)-4-[(E)-(S)-2-methoxymethyl-pyrrolidin-1-ylimino]-2,2,6,6-tetramethyl-tetrahydro-pyran-3-ylmethyl}-2-methyl-phenyl)-isoindole-1,3-dione

: 887142-49-6
2-[4-Iodo-2-methyl-5-((R)-2,2,6,6-tetramethyl-4-oxo-tetrahydro-pyran-3-ylmethyl)-phenyl]-isoindole-1,3-dione

Guidance literature:: 2-(4-Iodo-5-{(S)-4-[(E)-(S)-2-methoxymethyl-pyrrolidin-1-ylimino]-2,2,6,6-tetramethyl-tetrahydro-pyran-3-ylmethyl}-2-methyl-phenyl)-isoindole-1,3-dione; With ozone; In dichloromethane; at -78 ℃; for 0.25h;

With dimethylsulfide; In dichloromethane; at -78 - 20 ℃; for 2h;
DOI:10.1021/ol0602912

Reference yield:

: 85-44-9
phthalic anhydride

: 887142-49-6
2-[4-Iodo-2-methyl-5-((R)-2,2,6,6-tetramethyl-4-oxo-tetrahydro-pyran-3-ylmethyl)-phenyl]-isoindole-1,3-dione

Guidance literature:: Multi-step reaction with 5 steps

1.1: triethylamine / toluene / 3.5 h / Heating

2.1: 90 percent / HCl / tetrahydrofuran; H₂O / 2 h / 24 °C

3.1: 85 percent / phosphorous tribromide / CH₂Cl₂ / 0.25 h / 0 - 25 °C

4.1: tert-butyllithium / tetrahydrofuran; pentane / 2.5 h / -78 °C

4.2: 72 percent / tetrahydrofuran; pentane / 1.5 h / -105 - -78 °C

5.1: ozone / CH₂Cl₂ / 0.25 h / -78 °C

5.2: 74 percent / dimethyl sulfide / CH₂Cl₂ / 2 h / -78 - 20 °C

With hydrogenchloride; tert.-butyl lithium; phosphorus tribromide; ozone; triethylamine; In tetrahydrofuran; dichloromethane; water; toluene; pentane;
DOI:10.1021/jo062422i

Reference yield:

: 887142-47-4
2-(5-bromomethyl-4-iodo-2-methyl-phenyl)-isoindole-1,3-dione

: 887142-49-6
2-[4-Iodo-2-methyl-5-((R)-2,2,6,6-tetramethyl-4-oxo-tetrahydro-pyran-3-ylmethyl)-phenyl]-isoindole-1,3-dione

Guidance literature:: Multi-step reaction with 2 steps

1.1: tert-butyllithium / tetrahydrofuran; pentane / 2.5 h / -78 °C

1.2: 72 percent / tetrahydrofuran; pentane / 1.5 h / -105 - -78 °C

2.1: ozone / CH₂Cl₂ / 0.25 h / -78 °C

2.2: 74 percent / dimethyl sulfide / CH₂Cl₂ / 2 h / -78 - 20 °C

With tert.-butyl lithium; ozone; In tetrahydrofuran; dichloromethane; pentane;
DOI:10.1021/jo062422i