5-bromo-4-[S-(3-bromophenyl)-N-tosylsulfoximino]-thiophene-2-carbonitrile

Base Information

Chemical Name:5-bromo-4-[S-(3-bromophenyl)-N-tosylsulfoximino]-thiophene-2-carbonitrile
CAS No.:911030-40-5
Molecular Formula:C₁₈H₁₂Br₂N₂O₃S₃
Molecular Weight:560.311
Hs Code.:

Synonyms:5-bromo-4-[S-(3-bromophenyl)-N-tosylsulfoximino]-thiophene-2-carbonitrile

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Chemical Property of 5-bromo-4-[S-(3-bromophenyl)-N-tosylsulfoximino]-thiophene-2-carbonitrile

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Technology Process of 5-bromo-4-[S-(3-bromophenyl)-N-tosylsulfoximino]-thiophene-2-carbonitrile

There total 8 articles about 5-bromo-4-[S-(3-bromophenyl)-N-tosylsulfoximino]-thiophene-2-carbonitrile 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: 34.0%

: 911030-39-2
5-bromo-4-(3-bromo-benzenesulfinyl)-thiophene-2-carbonitrile

: 55962-05-5
[N-(p-tolylsulfonyl)imino]phenyliodinane

: 911030-40-5
5-bromo-4-[S-(3-bromophenyl)-N-tosylsulfoximino]-thiophene-2-carbonitrile

Guidance literature:: copper(II) bis(trifluoromethanesulfonate); In acetonitrile; at 20 ℃;

Reference yield:

: 18791-75-8
4-Bromothiophen-2-aldehyde

: 911030-40-5
5-bromo-4-[S-(3-bromophenyl)-N-tosylsulfoximino]-thiophene-2-carbonitrile

Guidance literature:: Multi-step reaction with 8 steps

1.1: sulfuric acid / 0 °C

1.2: 2.5 h / 4 °C

2.1: pyridine; hydroxylamine hydrochloride / ethanol / 1.5 h / 80 °C / Heating / reflux

3.1: acetic anhydride / 2 h / 17 - 130 °C / Heating / reflux

4.1: triethylamine / tetrahydrofuran / 1.75 h / 16.9 - 22.3 °C

5.1: iron; acetic acid / ethanol / 50 °C / Heating / reflux

6.1: tert.-butylnitrite; copper(ll) bromide / acetonitrile / 1 h / 50 - 80 °C

7.1: dihydrogen peroxide / water; acetic acid / 2 h / 50 °C

8.1: copper(II) bis(trifluoromethanesulfonate) / acetonitrile / 20 °C

With pyridine; tert.-butylnitrite; sulfuric acid; hydroxylamine hydrochloride; dihydrogen peroxide; acetic anhydride; iron; acetic acid; triethylamine; copper(ll) bromide; copper(II) bis(trifluoromethanesulfonate); In tetrahydrofuran; ethanol; water; acetic acid; acetonitrile;

Reference yield:

: 41498-07-1
4-bromo-5-nitrothiophene-2-carbaldehyde

: 911030-40-5
5-bromo-4-[S-(3-bromophenyl)-N-tosylsulfoximino]-thiophene-2-carbonitrile

Guidance literature:: Multi-step reaction with 7 steps

1: pyridine; hydroxylamine hydrochloride / ethanol / 1.5 h / 80 °C / Heating / reflux

2: acetic anhydride / 2 h / 17 - 130 °C / Heating / reflux

3: triethylamine / tetrahydrofuran / 1.75 h / 16.9 - 22.3 °C

4: iron; acetic acid / ethanol / 50 °C / Heating / reflux

5: tert.-butylnitrite; copper(ll) bromide / acetonitrile / 1 h / 50 - 80 °C

6: dihydrogen peroxide / water; acetic acid / 2 h / 50 °C

7: copper(II) bis(trifluoromethanesulfonate) / acetonitrile / 20 °C

With pyridine; tert.-butylnitrite; hydroxylamine hydrochloride; dihydrogen peroxide; acetic anhydride; iron; acetic acid; triethylamine; copper(ll) bromide; copper(II) bis(trifluoromethanesulfonate); In tetrahydrofuran; ethanol; water; acetic acid; acetonitrile;