Organic Lab Reactions 155

Organic Lab Reactions 155 -...

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150 THE FORMATION OF CYCLIC KETONES TABLE VII— Continued SOME CTCLIZATIONS BY THE FRIEDEL-CRAFTS ALTJMINTJM CHLORIDE METHOD Acids Submitted to Cyclization <x,0-dimethyl- a,2-dimethyl- a,4-dimethyl- /5,7-dimethyl- 0,4-dimethyl- 7,2-dimethyl- 7,4-dimethyl- 2,3-dimethyl- 2,4-dimethyl- a,2-dimethyl-5-isopropyl- /3,2-dimethyl-5-isopropyl- a,4-dimethyl-2-methoxy- a,4-dimetbyl-3-mefhoxy- a,/3-diphenyl- 4-ethyl- «-ethyl-2-methyl- 0-ethyl-2-methyl- 4-isopropyl- 5-isopropyl-2-methyl- 4-methoxy- 2-methoxy-a,4,5-trimethyl- ^methoxy-jS^jS^trimethyl-
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Unformatted text preview: 4-methoxyiS,2,3-trimethyl-a-methyl-/3-methyl-7-methyl-2-methyl-3-methyl-4-methyl-/3-methyl-a-o-tolyl-Yields of Ketones 81% 90% 92.5% 75% 90% 72% 89%* (a) 94% 76% (a) 92.5% 85-90% ( / ) -(a) 94% 58%* 87%* (a) 94% (a) &amp;gt;100% (a) 59% * 80% (i) 83% * 75% 70% 73%* 48% 70% (a) 82% 81%* 90% 72% 92%*, Reference 145 146 147 146 76 146 146 76 148 149 76 146 150 151 146 152 153 154 154 155 104 156 156 157 158 25 154 154 154 145 76 159 160 76 156 33 150, 161 76 116...
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