155883-52-6 Usage
Structure
A derivative of indole-2-carboxylic acid with a carbamoyl group attached to the nitrogen atom.
Potential use
Intermediate in the synthesis of various pharmaceuticals and biologically active molecules.
Suitability
Structure and properties make it suitable for use in the development of new drugs and as a key building block in organic synthesis.
Importance
Chemical properties and potential biological activities make it an important target for research and development in the fields of medicinal chemistry and drug discovery.
Check Digit Verification of cas no
The CAS Registry Mumber 155883-52-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,8,8 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 155883-52:
(8*1)+(7*5)+(6*5)+(5*8)+(4*8)+(3*3)+(2*5)+(1*2)=166
166 % 10 = 6
So 155883-52-6 is a valid CAS Registry Number.
InChI:InChI=1/C10H10N2O3/c11-10(15)12-7-4-2-1-3-6(7)5-8(12)9(13)14/h1-4,8H,5H2,(H2,11,15)(H,13,14)
155883-52-6Relevant articles and documents
Preparation and reaction of 3-oxo-3H-pyrazolo[1,5-a]indole derivatives
Shen,Katayama
, p. 222 - 227 (1994)
An alternative method to prepare 3-oxo-2-phenyl-3H-pyrazolo[1,5-a]indole starting from indoline-2-carboxylic acid was explored. The reaction with nucleophilic agents allowed us to introduce the properly substituted alkyl substituents at C-4 of the 4H-pyrazolo[1,5-a]indoles. The 2,3-dichloro-5,6- dicyano-p-benzoquinone (DDQ) oxidation of these products gave the 3-oxo-2- phenyl-3H-pyrazolo[1,5-a]indole derivatives. Selective keto-enol tautomerizations of these 1,5-diketo-monoene system were observed.