C-[(R)-C-(5-methylfuran-2-yl)-C-(3-methyloxetan-3-yl)]methylamine 、
6-chloro-3-(2-ethoxy-3,4-dioxocyclobut-1-enylamino)-2-hydroxy-N,N-dimethylbenzamide 在
甲醇 、
sodium dihydrogenphosphate 、
Sodium sulfate-III 、 residue 、 silica gel 作用下,
以
甲醇 为溶剂,
反应 72.0h,
以520 mg of 6-chloro-2-hydroxy-N,N-dimethyl-3-(2-{[(R)-(5-methylfuran-2-yl)-(3-methyloxetan-3-yl)methyl]amino}-3,4-dioxocyclobut-1-enylamino)benzamide were obtained in the form of an ochre solid的产率得到6-chloro-2-hydroxy-N,N-dimethyl-3-(2-{[(R)-(5-methylfuran-2-yl)-(3-methyloxetan-3-yl)methyl]amino}-3,4-dioxocyclobut-1-enylamino)benzamide