10.18453/rosdok_id00004303 Gupta, Priyanka Priyanka Gupta http://d-nb.info/gnd/1281237051 Universität Rostock 2022 540 Chemistry & allied sciences 2022 en http://purl.uni-rostock.de/rosdok/id00004303 urn:nbn:de:gbv:28-rosdok_id00004303-3 The content of this thesis is presented into four parts. The first part mainly focuses on describing the electronic structure of phosphaalkenes and their synthesis. Phosphaalkenes prepared as a part of this thesis were synthesized using phospha-Wittig reagents in the reaction with suitable aldehydes. Phospha-Wittig reagents have been discussed in detail in the second chapter. The last two chapters comprises of the selected examples to illustrate the strong π accepting properties of phosphaalkene ligands in coordination chemistry and late transition metal catalysis.