N'-(9-bromo-8-methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-ylidene)-4-methylbenzenesulfonohydrazide

Base Information

Chemical Name:N'-(9-bromo-8-methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-ylidene)-4-methylbenzenesulfonohydrazide
CAS No.:1430812-48-8
Molecular Formula:C₁₈H₁₉BrN₂O₄S
Molecular Weight:439.33
Hs Code.:

Synonyms:N'-(9-bromo-8-methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-ylidene)-4-methylbenzenesulfonohydrazide

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Chemical Property of N'-(9-bromo-8-methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-ylidene)-4-methylbenzenesulfonohydrazide

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Technology Process of N'-(9-bromo-8-methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-ylidene)-4-methylbenzenesulfonohydrazide

There total 7 articles about N'-(9-bromo-8-methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-ylidene)-4-methylbenzenesulfonohydrazide 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: 88.0%

: 1430812-47-7
9-bromo-8-methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-one

: 1576-35-8
toluene-4-sulfonic acid hydrazide

: 1430812-48-8
N'-(9-bromo-8-methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-ylidene)-4-methylbenzenesulfonohydrazide

Guidance literature:: With magnesium sulfate; toluene-4-sulfonic acid; for 2h; Reflux;
DOI:10.1016/j.ejmech.2012.12.042

Reference yield:

: 621-59-0
isovanillin

: 1430812-48-8
N'-(9-bromo-8-methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-ylidene)-4-methylbenzenesulfonohydrazide

Guidance literature:: Multi-step reaction with 7 steps

1.1: mercury(II) diacetate / ethanol; acetic acid / 0.33 h / 50 °C

1.3: 0.33 h / 20 °C

2.1: potassium carbonate / acetonitrile / 1 h / Reflux

3.1: tetrahydrofuran / 1 h / 0 - 20 °C

4.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 1 h / 20 °C / Inert atmosphere

5.1: hydrogen; palladium on activated charcoal / acetic acid; methanol / 1 h / 20 °C

6.1: pyridinium chlorochromate / dichloromethane / 4 h

7.1: toluene-4-sulfonic acid; magnesium sulfate / 2 h / Reflux

With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; palladium on activated charcoal; mercury(II) diacetate; hydrogen; magnesium sulfate; potassium carbonate; toluene-4-sulfonic acid; pyridinium chlorochromate; In tetrahydrofuran; methanol; ethanol; dichloromethane; acetic acid; acetonitrile;
DOI:10.1016/j.ejmech.2012.12.042

Reference yield:

: 1430812-46-6
9-bromo-8-methoxy-2,3,4,5-tetrahydrobenzo[b]oxepin-5-ol

: 1430812-48-8
N'-(9-bromo-8-methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-ylidene)-4-methylbenzenesulfonohydrazide

Guidance literature:: Multi-step reaction with 2 steps

1: pyridinium chlorochromate / dichloromethane / 4 h

2: toluene-4-sulfonic acid; magnesium sulfate / 2 h / Reflux

With magnesium sulfate; toluene-4-sulfonic acid; pyridinium chlorochromate; In dichloromethane;
DOI:10.1016/j.ejmech.2012.12.042