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Crowded tropolones. II. The molecular structures of 3,7-dibromo- and 5,7-dibromohinokitiol

✍ Scribed by Shô Itô; Yoshimasa Fukazawa; Yoichi Iitaka

Publisher
Elsevier Science
Year
1972
Tongue
French
Weight
180 KB
Volume
13
Category
Article
ISSN
0040-4039

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Crowded thopolones. I. The molecular str
Crowded thopolones. I. The molecular structure of 3,5,7-tribromohinokitiol
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The molecular structure of tropalone and some of its derivatives has been described by seveml authors (1-B) bath in the crystal and vapar phases, and a planar heptagon has been concluded for the tmpolone ring in all cases. Furthermore, the detailed study (9) revealed the absence of band fixation

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Many reports have been published on halogenation of 4-isopropyltropolone (hinokitiol) and it is known that this tropolone gave the monohalo-and dihalo substitution products bearing the halogen substituents at the 3-, 5-and/or 7-