... Synthetic Communications: An International Journal for Rapid Communication of Synthetic Organic Chemistry. ... Go to the publisher's online edition of Synthetic Communications® for the following free supplemental resource(s): Full ... 9, NaBH 4 (5), t-BuCOOH(50), rt, 24 h, 59:41. 10.
![(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one Structure](https://image.chemsrc.com/caspic/261/764667-65-4.png)
![(2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-3-[[(1R)-1-phenylethyl]amino]-4-(2,4,5-trifluorophenyl)-2-buten-1-one Structure](https://image.chemsrc.com/caspic/462/1169707-29-2.png)
![(3R)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-3-[[(1R)-1-phenylethyl]amino]-4-(2,4,5-trifluorophenyl)-1-butanone Structure](https://image.chemsrc.com/caspic/107/1169707-30-5.png)