xxxi

The Chemistry of α-Oxo Ketene Cyclic Dithioacetals ( XXXI) ── Studies on the conjugated addition of α-Cinnamoyl Ketene-1, 3-Propylene-dithioacetal with Grignard Reagents

α－氧代烯酮环二硫代缩酮化学（XXXI）&α－肉桂酰基乙烯酮缩1，3－丙二硫醇与Grignard试剂的共轭加成反应

As the world descends on Rio de Janeiro for the XXXI Olympiad, Brazilians are ready to help the world take a load off and experience something missing for a while: fun.

当世界的目光投向在里约热内卢举办的第31届奥运会，巴西人民已准备好让世界放松一下，体验早已缺失的那份快乐。

XXXI some day in six inches of ashes will be all that's left of our passionate minds, of all the world created by our love, its origin and passing away.

终有一天，只有六寸死灰还会残存，见证我们热切的心，我们的情天情地，它的初始它的消逝。