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ChemicalBook CAS DataBase List 1-Oxo-1H-isochromene-3-carboxylic Acid
2289-03-4

1-Oxo-1H-isochromene-3-carboxylic Acid synthesis

12synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 4 steps
1: 59 percent
2: 89 percent / toluene / 22 h / Heating
3: 75 percent / 0.417 M nitrosyl chloride, triethylamine / CCl4; tetrahydrofuran / 14 h / Ambient temperature
4: hydrolysis

References:

Hickey, Deirdre M. B.;MacKenzie, A. Roderick;Moody, Christopher J.;Rees, Charles W. [Journal of the Chemical Society. Perkin transactions I,1987,p. 921 - 926]