adipic acid bis-(1-hydroxy-7-azabenzotriazol) ester 、
(1S,2R,18R,19R,22S,25R,28R,40S)-36-[(2-aminoethylamino)methyl]-48-[(2S,3R,4S,5S,6R)-3-[(2S,4S,5S,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-2,18,32,35,37-pentahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8(48),9,11,14,16,29(45),30,32,34,36,38,46,49-pentadecaene-40-carboxylic acid 、 (7R)-7-[(Z)-2-(2-amino-5-chlorothiazol-4-yl)-2-(methoxyimino)acetamido]-3-[(4-(aminomethyl)-1-pyridinio)methyl]-3-cephem-4-carboxylate bis-trifluoroacetic acid salt 在
2,4,6-三甲基吡啶 、
三氟乙酸 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 0.58h,
以22%的产率得到(6R,7R)-7-[[(2E)-2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[[4-[[[6-[2-[[(1S,2R,18R,19R,22S,25R,28R,40S)-48-[(2S,3R,4S,5S,6R)-3-[(2S,4S,5S,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-40-carboxy-5,15-dichloro-2,18,32,35,37-pentahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8(48),9,11,14,16,29(45),30,32,34,36,38,46,49-pentadecaen-36-yl]methylamino]ethylamino]-6-oxohexanoyl]amino]methyl]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate