3-ethoxy-4-(2-hydroxypyridin-3-ylamino)cyclobut-3-ene-1,2-dione 、 C-[(R)-C-(5-methylfuran-2-yl)-C-tetrahydrothiophen-2-yl]methylamine 以
甲醇 为溶剂,
反应 18.0h,
以74%的产率得到3-(2-hydroxypyridin-3-ylamino)-4-{[(5-methylfuran-2-yl)-(tetrahydrothiophen-2-yl)methyl]amino}cyclobut-3-ene-1,2-dione