Project Gutenberg 2014-08-28 Public domain in the USA. 233 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.) Reading ease score: 54.3 (10th to 12th grade). Somewhat difficult to read. en Thesis (Ph. D.) Organic compounds -- Synthesis Selenium QD Text Category: Science - Chemistry/Biochemistry 98065 2025-09-18T17:24:01.800425 text/html 72626 2024-10-24T10:17:46 text/html 220527 2025-09-18T17:24:09.179408 application/epub+zip 220092 2025-09-18T17:24:05.791406 application/epub+zip 91899 2025-09-18T17:24:04.301398 application/epub+zip 596040 2025-09-18T17:24:11.315368 application/x-mobipocket-ebook 580779 2025-09-18T17:24:08.108371 application/x-mobipocket-ebook 113851 2022-09-21T08:41:59.158150 application/x-mobipocket-ebook 77695 2025-09-18T17:24:01.278422 text/plain; charset=us-ascii 57607 2024-10-24T10:17:46 text/plain; charset=us-ascii 16322 2025-09-18T17:24:11.437346 application/rdf+xml 28023 2025-09-18T17:24:04.802411 image/jpeg 5018 2025-09-18T17:24:04.549383 image/jpeg 219251 2025-09-18T17:24:01.868407 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog