1964
DOI: 10.1021/ja01078a038
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A New Cyclization Reaction Leading to Epoxides of Aromatic Hydrocarbons

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Cited by 112 publications
(49 citation statements)
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“…The results in Fig. 3 show that the model number of 22 chromosomes was the same in all eight clones (except possibly clone ED). Therefore, resistance to N2Gua was not caused by the loss of a chromosome.…”
Section: Resultsmentioning
confidence: 82%
“…The results in Fig. 3 show that the model number of 22 chromosomes was the same in all eight clones (except possibly clone ED). Therefore, resistance to N2Gua was not caused by the loss of a chromosome.…”
Section: Resultsmentioning
confidence: 82%
“…Treatment with 0.5% Me2SO or BA did not give rise to any transformed focus, and MCA was only weakly active in this clone of cells, even at a concentration of 10 ug/ml. On the other hand, treatment of G23 cells for 24 hr with lower concentrations of the K-region epoxides derived from both MCA and BA did result in many piled-up transformed foci (Table 3). The increased transformation at the higher concentrations of epoxides was accompanied by a corresponding decrease in plating efficiency.…”
Section: Resultsmentioning
confidence: 99%
“…500 primary (4-5 days after plating) or secondary (2-3 days after transfer) hamster embryo cells were plated in 60-mm (Falcon) plastic Petri dishes containing a feeder layer of 5 X 104 irradiated rat fibroblasts. 24 hr after plating, acetone solutions of the test compounds were added to the medium in the dishes (final concentration of acetone, 0.5%). The cells were then grown without medium changes for 7-8 days so that the test compounds were present throughout the assay.…”
Section: Cell Culturesmentioning
confidence: 99%
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“…The hydrocarbon-dihydrodiol mixture from the treatment of the mother liquors can be separated on an alumina column eluted with benzene for the hydrocarbon and then with chloroform for the diol. (4) and an equimolar quantity of osmic anhydride, the reaction is completed after 48 h. The hydrocarbon (310 mg) gave 210 mg of fine colorless needles of diol (10) (Formyl-2-phenyl) -6-benzo[c]fiorenone (6) All the attempts to produce oxidative cleavage of the diol 5 by metaperiodate by the described methods (15,16) at different conditions of temperature and pH, have led only to the recovery of the initial product.…”
Section: Oxidation By Osmium Tetroxidementioning
confidence: 99%