Organic Lab Reactions 153

Organic Lab Reactions 153 -...

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148 THE FORMATION OF CYCLIC KETONES TABLE VII SOME CYCLIZATIONS BY THE FMEDEL-CRAFTS ALTJMINUM CHLORIDE METHOD Acids Submitted to Cyclization BENZENE DERIVATIVES P-Phenylpropionic acid , CO 2 H aU^J CH 2 (S ' (See Table II, p. 133) /9-acetic acid j9-(9-anthrone-10-yl)- a-benzyl-3-methyl- 2-bromo- 2-bromo-5-t-butyl-1 . . . , „ ., , , ^mixture 5-bromo-2-t-butyl- ] 2-bromo-a,5-dimethyl-1 . _, „ ,. ., , ^mixture 5-bromo-a,2-dimethyl- ) 2-bromo-5-isopropyl- 1 5-bromo-2-isopropyl- J 2-bromo-5-methyl- 1 . , - _, ,. , )• mixture 5-bromo-2-methyl- J 2-cbloro- 2-chloro-5-methoxy- # 2-chloro-^-methyl- 2-chloro-3-methyl- 2-chloro-4-methyl-
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Unformatted text preview: 2-chloro-5-methyl-2,3-dichloro-2,5-dichloro-2,3-dichloro-|8-metnyl-2,5-dichloro-/3-methyl-a,ot-diethyl-3,4-dimethoxy-a,a-dimethyl-2,4-dimethyl-2,5-dimethyl-2,6-dimethyl-a,a-diphenyl-/3,(3-diphenyl-5-isopropyl-a,2-dimethyl-Yields of Ketones 55-60% 75% 80% 90% (a) 90% (o) 95% 80% 75% 75% (6)* 70%* 74%* 95%* 64-82% 94%* 90% 93%* 65% 76% 90-95% (c)(d)95%* 85% 66% 70% (e) 6-28% 80% 80% 96%* 82%* Reference 65 67 68 20 74 75 22 122 13 123 124 91 125 126 127 128 129 128 128 128 117 128 128 128 128 128 130 119 68 131 131 131 68 132 133...
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