The Journal of organic chemistry

Total syntheses of the benzodiazepine alkaloids circumdatin F and circumdatin C

A Witt, J Bergman

文献索引：Kamat, Vijayendra P.; Kirtany, Janardan K. Organic Preparations and Procedures International, 1994 , vol. 26, # 4 p. 494 - 497

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被引用次数: 53

摘要

... a Reagents and conditions: (a) Ac 2 O, EtOH, 40−50 °C, 3 h; (b) BnBr, K 2 CO 3 ... Ph 3 P (1.57 g, 6.0 mmol), I 2 (1.52 g, 6.0 mmol), and N, N-diisopropylethylamine (2.0 mL, 11.6 mmol ... The organic phase was separated, dried (Na 2 SO 4 ), and concentrated under reduced pressure ...