e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Pharmaceutical Chemistry Journal
… electrophilic reactions. VII. The synthesis and properties of the stereoisomers of 2-substituted 5-hydroxymethyl-5-(2, 4-disubstituted 1, 3, 5-triazin-6-yl) amino-1, 3- …
BO Kraiz, AL Remizov
Index: Kraiz, B. O.; Remizov, A. L. Pharmaceutical Chemistry Journal, 1981 , vol. 15, # 1 p. 23 - 28 Khimiko-Farmatsevticheskii Zhurnal, 1981 , vol. 15, # 1 p. 45 - 50
In all the isomers, the substituent at C 2 of the dioxane ring occupies an equatorial position, since if it were in the axial position, there would be a strong 1, 3-interaction with the axial protons at C 4 and C a of the 1, 3~ dioxane ring; in additionj the signal of the equatorial