Ethyl 3-[2-[5-(hydrazinecarbonyl)-2,4-dioctoxybenzoyl]hydrazinyl]-3-oxopropanoate 、
3-[2-[5-[[[3-[2-[5-[[(2-Methylpropan-2-yl)oxycarbonylamino]carbamoyl]-2,4-dioctoxybenzoyl]hydrazinyl]-3-oxopropanoyl]amino]carbamoyl]-2,4-dioctoxybenzoyl]hydrazinyl]-3-oxopropanoic acid 在
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
二氯甲烷 为溶剂,
反应 5.0h,
以92%的产率得到Ethyl 3-[2-[5-[[[3-[2-[5-[[[3-[2-[5-[[(2-methylpropan-2-yl)oxycarbonylamino]carbamoyl]-2,4-dioctoxybenzoyl]hydrazinyl]-3-oxopropanoyl]amino]carbamoyl]-2,4-dioctoxybenzoyl]hydrazinyl]-3-oxopropanoyl]amino]carbamoyl]-2,4-dioctoxybenzoyl]hydrazinyl]-3-oxopropanoate