Question

1. 32 +96 = 96 = 32.
4. 6C 18+5) = (6=18 J + 66 x 5)​

Answer 1

Answer:

Step-by-step explanation:

ntroduction. The (4+3)-cycloaddition of allylic cations with dienes is a useful tool for the synthesis of seven-membered rings. 1 It has been used for the total synthesis of a number of biologically active natural products. 2 In the past few decades, the study of (4+3)-cycloadditions has been focused on the areas of allylic cation generation and enantioselective and diastereoselective reactions. 3 Although …