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1-Isoquinolinecarbonyl chloride, 8-methyl- (9CI) synthesis

4synthesis methods
Ethyl, 1-hydroxy-1-(2-methylenephenyl)-

122382-54-1
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1-Isoquinolinecarbonyl chloride, 8-methyl- (9CI)

174873-76-8
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Yield:-

Steps:

Multi-step reaction with 4 steps
1: toluene / Heating
2: 43 percent / PPA / 15 h / 120 °C
3: 1.) SeO2; 2.) Ag2O, NaOH / 1.) dioxane, reflux, 6 h; 2.) 60 deg C
4: 98 percent / SOCl2 / 3 h / 60 °C

References:

Hirao, Ken-Ichi;Tsuchiya, Ryuta;Yano, Yasuhiro;Tsue, Hirohito [Heterocycles,1996,vol. 42,# 1,p. 415 - 422]