反応 #81104

ord-fb80409e45e1441d91b15cc61e7fa8b9

反応方程式

CC(C)[C@H](NC(=O)N(C)Cc1csc(NC(=O)OC(C)(C)C)n1)C(=O)N[C@@H](Cc1ccccc1)[C@H](O)[C@@H](O)[C@H](Cc1ccccc1)NC(=O)[C@@H](NC(=O)N(C)Cc1csc(NC(=O)OC(C)(C)C)n1)C(C)C

(2S,3S,4S,5S)-2,5-Bis-(N-(N-((N-methyl-N-((2-((((t-butyl)oxy)carbonyl)amino)-4-thiazolyl)methyl)amino)carbonyl)valinyl)amino)-3,4-dihydroxy-1,6-diphenylhexane

methanol

→

CC(C)[C@H](NC(=O)N(C)Cc1csc(N)n1)C(=O)N[C@@H](Cc1ccccc1)[C@H](O)[C@@H](O)[C@H](Cc1ccccc1)NC(=O)[C@@H](NC(=O)N(C)Cc1csc(N)n1)C(C)C

desired compound

(2S,3S,4S,5S)-2,5-Bis-(N-(N-((N-methyl-N-((2-amino-4-thiazolyl)methyl)amino)carbonyl)valinyl)amino)-3,4-dihydroxy-1,6-diphenylhexane

反応物

—

resultant compound

(2S,3S,4S,5S)-2,5-Bis-(N-(N-((N-methyl-N-((2-((((t-butyl)oxy)carbonyl)amino)-4-thiazolyl)methyl)amino)carbonyl)valinyl)amino)-3,4-dihydroxy-1,6-diphenylhexane

methanol

試薬

なし

溶媒

chloroform

反応条件

詳細条件

See reaction.notes.procedure_details.

後処理

1
その他provided

実験手順

Using the procedure of Example 58B but replacing the resultant compound of Example 58A with the resultant compound of Example 92 provided, after silica gel chromatography using first 5% then 10% methanol in chloroform, 62 mg (43%) of the desired compound (Rf 0.16, 10% methanol in chloroform) as an off-white solid, m.p. 122°-124° C. Mass spectrum: (M+1)+ =837.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US05616714uspto-grants-1997_04