02555cam a22003253u 450000100060000000300070000600500170001300600020003000700050003200800410003704000110007804100170008905000070010610000280011324502540014126400510039530000470044633600260049333700260051933800360054550000310058150801820061252012620079453400450205665300200210165300350212165300130215685600430216999900170221246714UtSlPG20260610134055.0mcr n260607r2014||||utu|||||o|||||||||||||| d  aUtSlPG 7aen2iso639-1 4aQD1 aChen, Yü-Gwan,d1893-10aSynthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives :bDissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Faculty of Pure Science of Columbia University 1aSalt Lake City, UT :bProject Gutenberg,c2014  a1 online resource :bmultiple file formats  atextbtxt2rdacontent  acomputerbc2rdamedia  aonline resourcebcr2rdacarrier  aRelease date is 2014-08-28  aProduced 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)  a"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.)  nOriginal publication data not identified  aThesis (Ph. D.)  aOrganic compounds -- Synthesis  aSelenium40uhttps://www.gutenberg.org/ebooks/46714  c87553d87553