(7-methanesulfonylamino-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-3-yl)-acetic acid 、
N,N'-二环己基碳二亚胺 、
2-[(pyridin-2-ylmethyl)-amino]-cyclopentanecarboxylic acid ethyl ester 在
甲醇 、
二氯甲烷 、
2-{[2-(7-methanesulfonylamino-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-acetyl]-pyridin-2-ylmethyl-amino}-cyclopentanecarboxylic acid ethyl ester 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 16.0h,
以to afford the desired product, 2-{[2-(7-methanesulfonylamino-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-acetyl]-pyridin-2-ylmethyl-amino}-cyclopentanecarboxylic acid ethyl ester (0.043 g, 0.076 mmol, 25.3%)的产率得到2-{[2-(7-methanesulfonylamino-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-acetyl]-pyridin-2-ylmethyl-amino}-cyclopentanecarboxylic acid ethyl ester