DBU as a scaffold for the synthesis of [1,3]oxazolo[2’,3’ : 2,3]pyrimido-[1,2-a]azepines: annulation with aromatic cyanopropargylic alcohols

Olesya A Shemyakina,Ol’Ga G Volostnykh,Anton V Stepanov,Anastasiya G Mal’Kina,Igor A Ushakov,Konstantin A Apartsin,Victoriya V Kireeva,Boris A Trofimov

doi:10.1016/j.mencom.2018.03.004

DBU as a scaffold for the synthesis of [1,3]oxazolo[2’,3’ : 2,3]pyrimido-[1,2-a]azepines: annulation with aromatic cyanopropargylic alcohols

Olesya A Shemyakina, Ol’Ga G Volostnykh + Show 6 more

https://doi.org/10.1016/j.mencom.2018.03.004

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Journal: Mendeleev Communications	Publication Date: Mar 1, 2018
Citations: 8

Affiliation: A.E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences

#Aromatic Alcohols #Cyanopropargylic Alcohols

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Abstract

Organic superbase DBU, 1,8-diazabicyclo[5.4.0]undec-7-ene, readily annulated with aromatic cyanopropargylic alcohols nder mild conditions (CH2Cl2, 20–25 °C, 30 min) to afford new cyanomethylideneperhydro[1,3]oxazolo[2’,3’:2,3]pyrimido-,2-a]azepines.

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