詞語：dianion
dianion的解釋
dianion[dai'ænaiən]n. 二階陰離子
dianion的意思
dianion 二階陰離子;雙陰離子;二價陽離子;二價陰離子;
dianion的參考例句
1.reduction of aldehyde 4 to form alcohol 7 always occurs when 4 is in molar excess relative to the dianion 5 . 乙醛還原成乙醇474時總是出現摩爾是在相對過剩的酸根5。
2.In the current process, where dianion 5 is prepared at room temperature, the reaction mixture becomes a thick slurry due to the low solubility of the sodium lithium salt in THF. 在這次過程中，凡5酸根準備在室溫試劑成了厚漿由於溶解度低的鋰鹽鈉在THF。
3.These results clearly show that reduction to 7 always occurs when the reaction conditions allow the presence of aldehyde 4 together with the initial condensation product, dianion 8 (Scheme 2). 這些結果清楚地表明還原反應條件發生時，7總是讓在場的乙醛4初級產品與凝結，酸根8（方案2）。