9-(Toluene-4-sulfonyl)-1,4,5,8-tetrahydro-1,4-epiazano-naphthalene-2,3,6,7-tetracarboxylic acid tetramethyl ester

Base Information

Chemical Name:9-(Toluene-4-sulfonyl)-1,4,5,8-tetrahydro-1,4-epiazano-naphthalene-2,3,6,7-tetracarboxylic acid tetramethyl ester
CAS No.:144442-90-0
Molecular Formula:C₂₅H₂₅NO₁₀S
Molecular Weight:531.54
Hs Code.:

Synonyms:9-(Toluene-4-sulfonyl)-1,4,5,8-tetrahydro-1,4-epiazano-naphthalene-2,3,6,7-tetracarboxylic acid tetramethyl ester

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Chemical Property of 9-(Toluene-4-sulfonyl)-1,4,5,8-tetrahydro-1,4-epiazano-naphthalene-2,3,6,7-tetracarboxylic acid tetramethyl ester

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Technology Process of 9-(Toluene-4-sulfonyl)-1,4,5,8-tetrahydro-1,4-epiazano-naphthalene-2,3,6,7-tetracarboxylic acid tetramethyl ester

There total 10 articles about 9-(Toluene-4-sulfonyl)-1,4,5,8-tetrahydro-1,4-epiazano-naphthalene-2,3,6,7-tetracarboxylic acid tetramethyl ester 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: 97.0%

: 144425-37-6
3,5-dihydro-5-(p-tolylsulfonyl)-1H-thieno<3,4-c>pyrrole 2,2-dioxide

: 762-42-5
dimethyl acetylenedicarboxylate

: 144442-90-0
9-(Toluene-4-sulfonyl)-1,4,5,8-tetrahydro-1,4-epiazano-naphthalene-2,3,6,7-tetracarboxylic acid tetramethyl ester

Guidance literature:: In benzene; at 170 ℃; for 14h;
DOI:10.1039/c39920001100 DOI:10.1016/0040-4020(94)00968-Z

Reference yield: 5.0%

: 762-42-5
dimethyl acetylenedicarboxylate

: 174277-73-7
1,4-Dihydro-6-tosylpyrrolo<3,4-d>-3,2-oxathiine 2-oxide

: 144425-37-6
3,5-dihydro-5-(p-tolylsulfonyl)-1H-thieno<3,4-c>pyrrole 2,2-dioxide

: 144442-90-0
9-(Toluene-4-sulfonyl)-1,4,5,8-tetrahydro-1,4-epiazano-naphthalene-2,3,6,7-tetracarboxylic acid tetramethyl ester

: 2-(Toluene-4-sulfonyl)-4,7-dihydro-2H-isoindole-5,6-dicarboxylic acid dimethyl ester

Guidance literature:: In benzene; at 165 - 170 ℃; for 12h;
DOI:10.1039/c39950002537

Reference yield:

: 50586-22-6
3,4,5,6-tetrahydro-1H-thieno[3,4-c]pyrrole 2,2-dioxide

: 144442-90-0
9-(Toluene-4-sulfonyl)-1,4,5,8-tetrahydro-1,4-epiazano-naphthalene-2,3,6,7-tetracarboxylic acid tetramethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 93 percent / pyridine / 1.5 h

2: 50 percent / 'chemical manganese dioxide'-U / CH₂Cl₂ / 120 h / Ambient temperature

3: 97 percent / benzene / 14 h / 170 °C

With manganese(IV) oxide; In pyridine; dichloromethane; benzene;
DOI:10.1016/0040-4020(94)00968-Z