Plz explain this... or example, (d) addition of carbenes or carbenoids. cycloalkenes add carbenes t

Or example, (d) Addition of carbenes or carbenoids. Cycloalkenes add carbenes to form bicycloalkanes. For H Ci Cl (CH3)3 COKt CHCl3 Pentane H Cyclohexene 7,7-Dichlorobicyclo [4.1.0]heptane (60%) 1929 H Zn-Cu/Ether + CH2l2 CH2 + Znl2 (Simmons Smith reaction) Cyclohexene H Bicyclo[4.1.0] heptane (92%)