Transcriber's Note:
Every effort has been made to replicate this text as faithfully as possible. Some changes have been made. They are listed at the end of the text.
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
BY
YÜ-GWAN CHEN, M. A.
NEW YORK CITY
1922