Project Gutenberg 2014-08-28 Public domain in the USA. 188 Chen, Yü-Gwan 1893 Chen, Yu-Gwan Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives Dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Faculty of Pure Science of Columbia University Produced by Paul Clark and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) "Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and Its Derivatives" by Yü-Gwan Chen is a scientific dissertation written in the early 20th century. This meticulous work details the synthesis and analysis of organic selenium compounds and their potential applications in pharmaceuticals and dyes. The author undertakes an exploration of new selenium-based compounds, aiming to uncover their chemical properties and possible uses in various industries. The dissertation presents a comprehensive study that includes the synthesis methods for two primary compounds: 2-methyl-4-selenoquinazolone and 2-phenylbenzoselenazole, along with their various derivatives. Chen discusses the experimental methods employed to create these compounds and provides intricate analyses of their properties, including their pharmacological and tinctorial potentials. The research indicates that these selenium compounds exhibit unique coloring properties and may possess medicinal benefits, particularly in the treatment of certain ailments. Furthermore, the work is grounded in a historical context, referencing past research while simultaneously contributing new findings to the field of organic chemistry. (This is an automatically generated summary.) en Thesis (Ph. D.) Organic compounds -- Synthesis Selenium QD Text Browsing: Science - Chemistry/Biochemistry/Physics Browsing: Science - General 97931 97945 2024-09-19T13:09:57.122259 2023-09-20T09:13:55.020873 text/html text/html 93371 2014-08-28T13:26:58 text/html; charset=iso-8859-1 107806 2014-08-28T13:28:56 text/html; charset=iso-8859-1 application/zip 188328 2024-09-19T13:10:03.530308 application/epub+zip 188168 2024-09-19T13:10:00.207208 application/epub+zip 92255 2024-09-19T13:09:58.991213 application/epub+zip 548336 2024-09-19T13:10:05.726173 application/x-mobipocket-ebook 532615 2024-09-19T13:10:02.582217 application/x-mobipocket-ebook 113851 2022-09-21T08:41:59.158150 application/x-mobipocket-ebook 78453 2024-09-19T13:09:56.608207 text/plain; charset=us-ascii 78181 2014-08-28T13:26:56 text/plain; charset=utf-8 26841 2014-08-28T13:28:56 text/plain; charset=utf-8 application/zip 78819 2014-08-28T13:28:12 text/plain; charset=iso-8859-1 26873 2014-08-28T13:28:56 text/plain; charset=iso-8859-1 application/zip 78966 2014-08-28T13:28:46 text/plain; charset=us-ascii 26857 2014-08-28T13:28:56 text/plain; charset=us-ascii application/zip 21682 2024-09-19T13:10:05.854175 application/rdf+xml 27795 2024-09-19T13:09:59.348211 image/jpeg 4977 2024-09-19T13:09:59.169193 image/jpeg 188700 2024-09-19T13:09:57.191216 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog