tert-butyl 2-((1R,5S,11S,15S)-16,18-dibenzyl-11-(3-(3-((4-methoxy-2,3,6-trimethylphenyl)sulfonyl)guanidino)propyl)-4,7,10,13,17,19-hexaoxo-3,6,9,12,16,18-hexaazabicyclo[13.2.2]nonadecan-5-yl)acetate 、
三氟乙酸 在
茴香硫醚 、
1,2-乙二硫醇 、
苯甲醚 作用下,
以60%的产率得到2,2,2-trifluoroacetic acid compound with 2-((1R,5S,11S,15S)-16,18-dibenzyl-11-(3-guanidinopropyl)-4,7,10,13,17,19-hexaoxo-3,6,9,12,16,18-hexaazabicyclo[13.2.2]nonadecan-5-yl)acetic acid (1:1)