金屬鈣和鹵代烴反應，可以得到RCaX，在反應中通常會先加入碘、鎂或將鈣製成汞齊來活化。[1]用氯代烴和溴代烴反應的產率都較低。用二烴基汞和鈣反應，可以得到二烴基鈣：
- Ca + R2Hg —THF→ R2Ca + Hg
烯丙基鉀和碘化鈣在四氫呋喃中25℃下反應，可以得到Ca(C3H5)2。[2]碳化鈣（CaC2）和環戊二烯在液氨等胺類溶劑中反應，可以得到二茂鈣。[3]
參考資料
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