Heterocycles p. 297 - 304 (1994)
Update date:2022-08-11
Topics:
Stambach, Jean-Francois
Jung, Louis
Hug, Raymond
β-Oxonitriles (1) are easily condensed with cyclic ketones (2a-e) in anhydrous strong acidic conditions to give 1-oxa-5-azaspiro<5.5>undec-2-en-4-ones (3a-e).In the same manner acyclic ketones (2f,g) or aldehydes (2h,i) afford 2,3-dihydro-4H-1,3-oxazin-4-
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Doi:10.1515/hc-2017-0180
(2017)Doi:10.1016/j.ejmech.2014.09.032
(2014)Doi:10.1002/kin.20939
(2015)Doi:10.1002/ejoc.201101783
(2012)Doi:10.1002/aoc.3825
(2017)Doi:10.1021/jo991198c
(1999)
