反应详情

using ethyl 2-chloro-5-(1,2,4,5,6,7-hexahydro-2,4-dioxo-3H-cyclopenta[d]pyrimidin-3-yl)-benzoate and 3-bromo-1-propyne there is obtained ethyl 2-chloro-5-{1,2,4,5,6,7-hexahydro-1-(2-propynyl)-2,4-dioxo-3H-cyclopenta[d]pyrimidin-3-yl}-benzoate, m.p. 121°-123° C.,