initiator:
alcohol,alkene,
epoxide, ketone, ketal,
acid, acid chloride,
C=N+ -> N-C+
R-SO2Ph, R-NO2,
terminator:
alcohol,
azide, ketone, ketal, ester, beta-ketoester.
Enone, TMS enone ether, allyl silane
acytylene
alkene, C=NR,
aromatic, indole
a very good pdf about cationic cyclization:
http://cmds.kaist.ac.kr/skim/lecture/1.Cationic.pdf
Monday, October 8, 2007
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