5-Amino-1-(6,7,9,10,12,13,15,16,18,19-decahydro-5,8,11,14,17,20-hexaoxa-benzocyclooctadecen-2-yl)-1H-imidazole-4-carboxylic acid amide 、
尿素 以
various solvent(s) 为溶剂,
反应 2.0h,
以73%的产率得到9-(6,7,9,10,12,13,15,16,18,19-Decahydro-5,8,11,14,17,20-hexaoxa-benzocyclooctadecen-2-yl)-3,9-dihydro-purine-2,6-dione