Synthesis of substituted disulfonyl-containing polycyclic azines with the bridgehead nitrogen atom. Effects of the structure of 3-substituted pyridinium ylides on the regioselectivity of their reactions with E-1,2-di(alkylsulfonyl)-1,2-dichloroethenes
- Авторлар: Dontsova N.E.1, Shestopalov A.M.1
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Мекемелер:
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
- Шығарылым: Том 66, № 6 (2017)
- Беттер: 1030-1043
- Бөлім: Full Articles
- URL: https://journals.rcsi.science/1066-5285/article/view/240739
- DOI: https://doi.org/10.1007/s11172-017-1851-3
- ID: 240739
Дәйексөз келтіру
Аннотация
Heating the substituted pyridinium and isoquinolinium salts with E-1,2-di(alkylsulfonyl)-1,2-dichloroethenes in either chloroform or acetone in the presence of three-fold excess of Et3N gave high yields of substituted 1,2-di(alkylsulfonyl)indolizines and 1,2-di(alkylsulfonyl) pyrrolo[2,1-a]isoquinolines, respectively. Effects of the structure of 3-substituted pyridinium ylides on the regioselectivity of their reaction with E-1,2-di(alkylsulfonyl)-1,2-dichloroethenes were revealed. It was shown that the presence of electron-releasing and electron-withdrawing substituents in the pyridinium ylide favors the formation of 8-substituted and 6-substituted 1,2-(dialkylsulfonyl)indolizines, respectively.
Авторлар туралы
N. Dontsova
N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Хат алмасуға жауапты Автор.
Email: gsv@ioc.ac.ru
Ресей, 47 Leninsky prosp., Moscow, 119991
A. Shestopalov
N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Email: gsv@ioc.ac.ru
Ресей, 47 Leninsky prosp., Moscow, 119991
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