N'-(1-benzyl-2-oxoindolin-3-ylidene)-4-methylbenzenesulfonohydrazide

Base Information

• Chemical Name: N'-(1-benzyl-2-oxoindolin-3-ylidene)-4-methylbenzenesulfonohydrazide
• CAS No.: 303126-66-1
• Molecular Formula: C₂₂H₁₉N₃O₃S
• Molecular Weight: 405.477
• Mol file: 303126-66-1.mol

Synonyms:N'-(1-benzyl-2-oxoindolin-3-ylidene)-4-methylbenzenesulfonohydrazide

Chemical Property of N'-(1-benzyl-2-oxoindolin-3-ylidene)-4-methylbenzenesulfonohydrazide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of N'-(1-benzyl-2-oxoindolin-3-ylidene)-4-methylbenzenesulfonohydrazide

There total 3 articles about N'-(1-benzyl-2-oxoindolin-3-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: 89.0%

1-benzylisatin (1217-89-6) + toluene-4-sulfonic acid hydrazide (1576-35-8) → N'-(1-benzyl-2-oxoindolin-3-ylidene)-4-methylbenzenesulfonohydrazide (303126-66-1)

Guidance literature:

In methanol; at 60 ℃; for 8h;

DOI:10.1021/acs.orglett.7b02555

Reference yield:

indole-2,3-dione (91-56-5,1186480-61-4,84788-92-1) → N'-(1-benzyl-2-oxoindolin-3-ylidene)-4-methylbenzenesulfonohydrazide (303126-66-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: NaH / dimethylformamide / 0 °C

1.2: 90 percent / dimethylformamide / 0.25 h / 0 °C

2.1: methanol / 18 h / 60 °C

With sodium hydride; In methanol; N,N-dimethyl-formamide;

DOI:10.1021/ja0518880

Reference yield:

benzyl bromide (100-39-0) → N'-(1-benzyl-2-oxoindolin-3-ylidene)-4-methylbenzenesulfonohydrazide (303126-66-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: NaH / dimethylformamide / 0 °C

1.2: 90 percent / dimethylformamide / 0.25 h / 0 °C

2.1: methanol / 18 h / 60 °C

With sodium hydride; In methanol; N,N-dimethyl-formamide;

DOI:10.1021/ja0518880

upstream raw materials:

1-benzylisatin

toluene-4-sulfonic acid hydrazide

indole-2,3-dione

benzyl bromide

Downstream raw materials:

1-benzyl-3-diazo-1,3-dihydro-2H-indol-2-one

1'-(phenylmethyl)-2-[1-prop-1-en-1-yl]spiro[cyclopropane-1,3'-indol]-2'(1'H)-one

2-({[(1,1-dimethylethyl)(dimethyl)silyl]oxy}methyl)-1'-(phenylmethyl)spiro[cyclopropane-1,3'-indol]-2'(1'H)-one

1-benzyl-3,3-dichloro-1H-indol-2(3H)-one