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Title: Development of new synthetic methods towards prins cyclization
Authors: Liu, Feng
Keywords: DRNTU::Science::Chemistry::Organic chemistry::Organic synthesis
Issue Date: 2009
Source: Liu, F. (2009). Development of new synthetic methods towards prins cyclization. Doctoral thesis, Nanyang Technological University, Singapore.
Abstract: A brief introduction to major aspects of Prins cyclization is presented in Chapter 1. Two strategies were attempted via exploitation of the steric and electronic effects in Chapter 2, and a novel and efficient trans Prins cyclization reaction was disclosed by exploiting the electronic effect or the neighboring participation effect. In Chapter 3 & 4, a Friedel-Crafts-Prins cascade reaction was developed to construct polycyclic THP/DHP and furans rings from propargylic and allylic epoxides in an efficient and diastereoselective manner. In Chapter 5, suppression of oxonia-Cope rearrangement was achieved by tuning the reaction conditions and substrates, leading to the development of a novel cis Prins cyclization reaction of allenic alcohols. By far, the application of this methodology to the synthesis of (+)-Sambutoxin was unsuccessful due to the low reactivity of the starting pyridinone aldehyde.
DOI: 10.32657/10356/38690
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Theses

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