Zwitterionic Compounds in the Synthesis of Water-Soluble 1,3-Oxathiolane Derivatives
摘要:
Perhydropyrimidin-2-ylium and perhydro-1,3-diazepin-2-ylium iodides with linked 1,3-oxathiolane ring were obtained. These new, water-soluble derivatives of 1,3-oxathiolane were prepared by cyclocondensation of diiodomethane with appropriate zwitterionic derivatives of 2-hydroxypropionic acid. The iodides were exploited in metathesis process with various anions.
New Tricyclic Ring Systems of Fused 1,4-Diazepines
作者:Barbara Zaleska、Marcin Karelus、Pawe Serda
DOI:10.1055/s-0029-1218710
日期:2010.5
New heterocyclic systems of pyrimido[1,2-d][1,4]diazepine, [1,4]diazepino[7,1-b]quinazoline, and [1,4]diazepino[1,7-a][1,3]diazepine were obtained in specific reactions of DMAD with zwitterionic compounds. pyrimido[1,2-d][1,4]diazepine - [1,4]diazepino[7,1-b]quinazoline - [1,4]diazepino[1,7-a][1,3]diazepine - triazatricyclo[7.2.1.0³,8]dodec-7-ene - DMAD
嘧啶并[1,2的新杂环体系d ] [1,4]二氮杂,[1,4]二氮杂并[7,1- b ]喹唑啉,和[1,4]二氮杂并[1,7-一个] [1 ,3]二氮杂卓是在DMAD与两性离子化合物的特定反应中获得的。 嘧啶基[1,2- d ] [1,4]二氮杂卓-[1,4]二氮杂卓[7,1- b ]喹唑啉-[1,4]二氮杂卓[1,7- a ] [1,3]二氮杂卓-三氮三环[7.2.1.0³ ,8 ] dodec -7-ene-DMAD