FURAN-RELATED N-ONIUM SALTS AS SYNTHONS FOR PREPARATION OF 3-FURYLBENZOINDOLIZINES
Substituted 3-furylbenzoindolizines V-X were prepared via 1,3-dipolar cycloaddition of ylides generated from the furan-related N-onium salts I-IV to dimethyl butinedioate, ethyl 3-(5-nitro-2-furyl)-2-propenoate, 1-phenyl-3-(5-nitro-2-furyl)-2-propenone, and 1-phenyl-2-nitroethylene.Structure of the compounds synthesized was confirmed by spectral data.
Stetinova, Jarmila,Jurasek, Adolf,Kovac, Jaroslav,Dandarova, Miloslava,Safar, Peter
p. 412 - 418
(2007/10/02)
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