반응 #2304284
ord-ba6667d4ba8f44fdac42e9dec533abbf
반응 방정식
19a
methyl (3aR,5S,6R,6aS)-6-hydroxy-2,2-dimethyl-5-{[(N-{[4,7,10-tris(2-tert-butoxy-2-oxoethyl)-1,4,7,10-tetraazacyclododecan-1-yl]acetyl}glycyl)amino]methyl}dihydrofuro[2,3-d][1,3]dioxole-3a(5H) -carboxylate
→
Product 20a
수율 81.0%
(3aR,5S,6R,6aS)-6-hydroxy-2,2-dimethyl-5-{[(N-{[4,7,10-tris(2-tert-butoxy-2-oxoethyl)-1,4,7,10-tetraazacyclododecan-1-yl]acetyl}glycyl)amino]methyl}dihydrofuro[2,3-d][1,3]dioxole-3a(5H)-carboxylic acid
수율 81.0%
반응물
시약
없음
용매
반응 조건
상세 조건
See reaction.notes.procedure_details.
후처리
- 1기타Solvents were evaporated
- 2기타the residue was purified by silica column chromatography
실험 절차
To a solution of 19a (1.0 g, 1.17 mmol) in MeOH (2 mL) was added a solution of LiOHH2O (48.5 mg, 1.17 mmol, Aldrich). The resulting solution was stirred at room temperature for 4 h. Solvents were evaporated and the residue was purified by silica column chromatography. Product 20a was obtained as a white solid (0.8 g; yield 81%).