Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2022, Issue 35, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.202200818
Keywords
Aminoethanols; Ring-expansion reaction; Heterocycles; Synthetic methods
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Funding
- Russian Science Foundation [22-23-00439]
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The influence of introducing substituents of increasing bulk in the alpha position of tetracyclic imidazoline-fused heteroazepinones on the course of hydrated imidazoline ring expansion (HIRE) reaction has been established.
The influence of introducing substituents of increasing bulk in alpha position of tetracyclic imidazoline-fused heteroazepinones on the course of hydrated imidazoline ring expansion (HIRE) reaction was established. Under certain conditions, substituted beta-aminoethanols can be used to obtain solely the ring expanded products from dibenzo[b,f][1,4]ox(thi)azepin-11(10H)-ones while with their unsubstituted counterparts, side chain expulsion was the only observable outcome.
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