Heterocycles p. 1089 - 1101 (1993)
Update date:2022-08-04
Topics:
Neunhoeffer, Hans
Philipp, Bernd
Schildhauer, Birgit
Eckrich, Ralf
Krichbaum, Uwe
The reaction of 1,2,4-triazines (1) and 1-cyclopentenylpyrrolidine (2) afforded 6,7-dihydro-5H-<2>-pyrindines (3) in good yields.Oxidation of 3 to the N-oxides (4), reaction of 4 with acetic anhydride to 5-acetoxy-6,7-dihydro-5H-<2>pyrindines (5) and elimination of acetic acid afforded <2>pyrindines (7). 2-Methyl-2H-<2>pyrindines (9) were also prepared.
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Doi:10.1142/S1088424615500832
(2015)Doi:10.1007/BF00528636
(1993)Doi:10.1002/anie.201302157
(2013)Doi:10.1080/15421400500447108
(2006)Doi:10.1002/hlca.19630460618
(1963)Doi:10.1021/jm00067a014
(1993)
