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Your search keyword '"William M. Hung"' showing total 9 results
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9 results on '"William M. Hung"'

1. Synthesis and Photochromic Mechanism of 3-Phenyl-3-[1,2-Dimethylindol-3-yl]-3H-Naphtho[2,1-b]Pyran

Author

Aiping Zhu, Meigong Fan, Jingqiang Wei, Yangfu Ming, Ping Fan, Guilan Pan, and William M. Hung

Subjects
chemistry.chemical_compound, Photochromism, Absorption spectroscopy, Laser photolysis, Chemistry, Pyran, Chemical preparation, Flash photolysis, Solvent effects, Nanosecond laser, Condensed Matter Physics, Photochemistry, Medicinal chemistry
Abstract

A novel photochromic compound, 3-phenyl-3-(1,2-dimethylindol-3-yl)-3H-naphtho[2,1-b] pyran (I) was synthesized and the mechanism for photochromic process of I was investigated by nanosecond laser flash photolysis.

Published
2000

4. Structure-carcinogenic activity relations in the benz[a]anthracene series. 1,7,12- and 2,7,12-trimethylbenz[a]anthracenes

Author

Melvin S. Newman and William M. Hung

Subjects
chemistry.chemical_compound, integumentary system, chemistry, Drug Discovery, Molecular Medicine, lipids (amino acids, peptides, and proteins), Medicinal chemistry, Benz(a)anthracene, Carcinogen
Abstract

The syntheses of 1,7,12-trimethyl- and 2,7,12-trimethylbenz[a]anthracenes are described. The lack of carcinogenic activity of these compounds is discussed in relationship to the carcinogenic activity of other substituted benz[a]anthracenes.

Published
1977

7. Synthesis of 5-fluoro-6,8-dimethylbenz[a] anthracene

Author

Joseph H. Cecil, Melvin S. Newman, and William M. Hung

Subjects
Structure-Activity Relationship, Anthracene, chemistry.chemical_compound, chemistry, Drug Discovery, Benz(a)Anthracenes, Molecular Medicine, Organic chemistry, Fluorine
Published
1972

8. Improved aromatization of .alpha.-tetralone oximes to N- (1-naphthyl)acetamides

Author

William M. Hung and Melvin S. Newman

Subjects
chemistry.chemical_compound, Chemistry, Organic Chemistry, Aromatization, Tetralone, Organic chemistry, Alpha (ethology), Medicinal chemistry
Abstract

Aus den l-Tetralonoximen (I) erhalt man beim Erhitzen mit Essigsaureanhydrid und wasserfreier Phosphorsaure die Amide (II), aus dem Tetrahydrophenanthrenketonoxim (III) entsteht analog das Amid (IV).

Published
1973

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