3-hydrazinylindol-2-one synthesis

7synthesis methods

Product Name:3-hydrazinylindol-2-one
CAS Number:2365-44-8
Molecular formula:C8H7N3O
Molecular Weight:161.16

91-56-5 Synthesis

91-56-5
456 suppliers
$5.00/25g

2365-44-8
21 suppliers
$110.00/50mg

Yield:2365-44-8 98%

Reaction Conditions:

with hydrazine in water at 70; for 6 h;

Steps:

1.b

10 parts of isatin are added to 40 parts of 80% hydrazin solution and stirred at 70°C for 6 hours. The mixture is then filtered and washed with water to neutral pH. The yellowish product is dried and the hydrazon derivative is obtained with 98% yield.

References:

EP1516895,2005,A1 Location in patent:Page/Page column 6

6623-89-8 Synthesis