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- W2591531519 abstract "Organocatalysis is a rapidly developing and important part of organic chemistry allowing the development of new, environmentally friendly methodologies. In this thesis we report a diastereoselective and enantioselective cyclopropanation reaction catalysed by secondary amines. In the first project (Chapter 2) we present an attempt at a total synthesis of pyrrolizidine and indolizidine derivatives utilising an organocatalytic approach in a key step. The proposed route could give access to diazabicyclic compounds in five or six steps starting from commercially available materials. In the second project (Chapter 3) we present a developed methodology for organocatalytic cyclopropanation. We used benzyl chlorides decorated with electron withdrawing groups (EWG) in combination with a weak base to activate benzylic position and a range of ?,?-unsaturated aldehydes to achieve the desired products with good and excellent yields, good diastereoselectivity and excellent enantioselectivity." @default.
- W2591531519 created "2017-03-03" @default.
- W2591531519 creator A5070730937 @default.
- W2591531519 date "2016-04-01" @default.
- W2591531519 modified "2023-09-27" @default.
- W2591531519 title "Approach to the synthesis of pyrrolizidine and indolizidine derivatives via nitro alkyl addition to enals. New adventures in benzylic activation cyclopropanation of benzylchlorides" @default.
- W2591531519 hasPublicationYear "2016" @default.
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