反応 #62672

ord-cb4feb221eff4c8daad150ed98abe15f

反応方程式

COCCOCN1C(C)=C(C(=O)O)C(c2cccc([N+](=O)[O-])c2)C(C(=O)OC)=C1C
(+)-1-(2-methoxyethoxymethyl)-2,6-dimethyl-3-carbomethoxy-4-(3-nitrophenyl)-5-carboxy-1,4-dihydropyridine
Cl
hydrochloric acid
→
COC(=O)C1=C(C)NC(C)=C(C(=O)O)C1c1cccc([N+](=O)[O-])c1
(-)-2,6-dimethyl-3-carbomethoxy-4-(3-nitrophenyl)-5-carboxy-1,4-dihydropyridine

反応物

COCCOCN1C(C)=C(C(=O)O)C(c2cccc([N+](=O)[O-])c2)C(C(=O)OC)=C1C
(+)-1-(2-methoxyethoxymethyl)-2,6-dimethyl-3-carbomethoxy-4-(3-nitrophenyl)-5-carboxy-1,4-dihydropyridine
Cl
hydrochloric acid

試薬

なし

溶媒

C1CCOC1
tetrahydrofuran
CC(C)=O
acetone

反応条件

詳細条件
See reaction.notes.procedure_details.

実験手順

hydrolyzing said (+)-1-(2-methoxyethoxymethyl)-2,6-dimethyl-3-carbomethoxy-4-(3-nitrophenyl)-5-carboxy-1,4-dihydropyridine with 1N hydrochloric acid in acetone or tetrahydrofuran to produce (-)-2,6-dimethyl-3-carbomethoxy-4-(3-nitrophenyl)-5-carboxy-1,4-dihydropyridine.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US04761420uspto-grants-1988_08