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Quinoxaline Studies. I. The Preparation of 2-Hydroxy-3-methyl-6-methoxyquinoxaline and 2-Hydroxy-3-methyl-7-methoxyquinoxaline

✍ Scribed by Yolles, Seymour.; Schultz, Harry P.


Book ID
126790816
Publisher
American Chemical Society
Year
1949
Tongue
English
Weight
371 KB
Volume
71
Category
Article
ISSN
0002-7863

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UDC 547.426'729.7.04 A method has been developed for the preparation of 4-(3-hydroxy-l-alkynyl)-substituted 2-ethoxy-l,3-dioxolanes (which are novel flotation reagents for coal) based on the reaction between acetylene 1,2,5-triols and orthoformic ester in the presence of catalytic quantities of benz