Patent · US Expired

Method for preparing benzo[C]cinnoline and its derivatives

US4075074A · kind A · utility

0Cited by
1References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 14, 1977
Grant dateFeb 21, 1978
Priority date
Expiry dateMar 14, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S204/914
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Benzo[C]cinnoline or its derivative is prepared by irradiating 2,2'-diazidobiphenyl or its derivative with light in a low-temperature rigid solvent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.