Synthesis of functionalized homophthalates, salicylates, diaryl ethers and dihydroisocoumarins based on cyclocondensation reactions of 1,3-Dicarbonyl compounds and 1,3-Bis(silyloxy)-1,3-butadienes [Elektronische Ressource] / vorgelegt von Muhammad Sher

Synthesis of Functionalized Homophthalates, Salicylates, Diaryl Ethers and Dihydroisocoumarins based on Cyclocondensation Reactions of 1,3-Dicarbonyl Compounds and 1,3-Bis(silyloxy)-1,3-butadienes DISSERTATION zur Erlangung des akademischen Grades doctor rerum naturalium (Dr. rer. nat.) der Mathematisch-Naturwissenschaftlichen Fakultät der Universität Rostock vorgelegt von M.Phill Chemistry Muhammad Sher geb. am 02.04.1977 in Attock Aus Pakistan Rostock, July 2008 urn:nbn:de:gbv:28-diss2008-0105-5 i Dekan : Prof. Dr. Hendrik Schubert 1. Gutachter : Prof. Dr. Peter Langer, Dept. Of Chemistry University of Rostock. 2. Gutachter : Prof. Dr. Matthias Beller, LIKAT, Rostock Tag der Promotion : 29-10-2008 ii Tyyxvà|ÉÇtàxÄç Wxw|vtàxw àÉ `ç ÅÉà{xÜ ? Ytà{xÜ TÇw fãxxà UÜÉà{xÜá iiiCONTENTS Acknowledgements vi Abreviatons vi General Introduction 1 Sumary 2 Synthesis of Functionalized Homophthalates, Salicylates, Diaryl Ethers and Dihydroisocoumarins based on Cyclocondensation Reactions of 1,3-Dicarbonyl Compounds and 1,3-Bis(silyloxy)-1,3-butadienes 1. Efficient synthesis of salicylates by catalytic [3+3] cyclizations of 1,3-bis(silyl enol ethers) with 1,1,3,3-tetramethoxypropane 4 1.1 Synthesis of 1,3-bis(trimethylsiloxy)buta-1,3-dienes 1.1.1 Introduction 1.