Process for synthesizing certain N-benzoylamino indolines
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United States of America Patent
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Feb 11, 1986
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N/A
app pub date -
Apr 27, 1984
filing date -
Dec 22, 1980
priority date (Note) -
Expired
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Abstract
Compounds of the structure ##STR1## wherein R is hydrogen, lower alkyl containing 1 to 5 carbon atoms, cycloalkyl containing 3 to 7 carbon atoms, phenyl or phenyl substituted with halogen, trifluoromethyl, or lower alkyl or lower alkoxy having 1 to 4 carbon atoms and R.sub.1 is hydrogen, lower alkyl having 1 to 4 carbon atoms, phenyl or phenyl lower alkyl wherein the lower alkyl has 1 to 4 carbon atoms, are formed by cyclizing a compound of the structure ##STR2## wherein R and R.sub.1 are as defined above, in the presence of an acid.
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