
Chemical and Pharmaceutical Bulletin p. 1694 - 1698 (1991)
Update date:2022-07-29
Topics:
Yamagishi
Ozaki
Yamada
Da-Te
Okamura
Suzuki
The reaction of 1-carbamoylisatins 2 with 2-ethyl-2-isothiourea hydrobromide in the presence of triethylamine followed by acid-catalyzed cyclization of the resulting 4-(2-ethyl-2-isothioureido)carbonyl-3,4-dihydro-4-hydroxy-2(1H)- quinazolinones provides
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