579466-96-9Relevant articles and documents
TRICYCLIC COMPOUNDS AND THEIR USE AS PHOSPHODIESTERASE INHIBITORS
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Paragraph 110; 111; 112, (2017/01/02)
The present invention is directed to compounds of Formula I: or a pharmaceutically acceptable salt thereof, wherein the substituents A, R1, R2, R3a, R3b, R4a, R4b and n are as defined herei
Efficient, stereoselective synthesis of oxazolo[3,2-a]pyrazin-5-ones: Novel bicyclic lactam scaffolds from the bicyclocondensation of 3-aza-1,5-ketoacids and amino alcohols
Bencsik, Josef R.,Kercher, Timothy,O'Sullivan, Michael,Josey, John A.
, p. 2727 - 2730 (2007/10/03)
(Matrix presented) The bicyclocondensation of 3-aza-1,5-ketoacids and amino alcohols furnished novel oxazolo[3,2-a]pyrazin-5-one scaffolds possessing angular, ring junction substituents in high yield with excellent levels of substrate-based diastereocontr