Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-11-17
1993-11-16
Lee, Mary C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D20908
Patent
active
052625460
ABSTRACT:
An indole of the formula ##STR1## wherein R.sub.5 and R.sub.6 are acetoxy or hydrogen, at least one of R.sub.5 and R.sub.6 being acetoxy, is prepared, in good yield, in a one pot synthesis, without extraction, recrystallization or isolation of intermediate reaction product; A compound of the formula ##STR2## wherein R.sub.1 and R.sub.2 are benzyloxy or hydrogen, provided that at least one of R.sub.1 and R.sub.2 is benzyloxy, is subjected to reductive cyclization followed by acetylation of the resultant reaction product.
REFERENCES:
patent: 3732245 (1973-05-01), Batcho et al.
Lim Mu'Ill
Pan Yuh-Goo
Clairol Inc.
Haley Jacqueline
Lee Mary C.
Simon Morton S.
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