Isatoic anhydride was reacted with several L-amino acids to give the corresponding (2S)-N-(o-aminobenzoyl)-2-alkylaminoacetic acids. The latter compounds were treated with phosphoryl chloride under reflux temperat...Isatoic anhydride was reacted with several L-amino acids to give the corresponding (2S)-N-(o-aminobenzoyl)-2-alkylaminoacetic acids. The latter compounds were treated with phosphoryl chloride under reflux temperature to afford the cyclized products, (3S)-3-alkyl-3,4-dihydro- 1 H- 1,4-benzodiazepin-2,5-diones. 2007 M. Bakavoli. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.展开更多
文摘Isatoic anhydride was reacted with several L-amino acids to give the corresponding (2S)-N-(o-aminobenzoyl)-2-alkylaminoacetic acids. The latter compounds were treated with phosphoryl chloride under reflux temperature to afford the cyclized products, (3S)-3-alkyl-3,4-dihydro- 1 H- 1,4-benzodiazepin-2,5-diones. 2007 M. Bakavoli. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.