Cationic cyclocodimerization. 3. Syntheses of [3.3]paracyclo(1,4)naphthalenophane and [3.3](1,4)naphthalenophane derivatives. Stereoselectivity governed by the structures of .alpha.-naphthylmethylcarbenium ion and 1-vinylnaphthyl moiety
Cationic cyclocodimerization. 3. Syntheses of [3.3]paracyclo(1,4)naphthalenophane and [3.3](1,4)naphthalenophane derivatives. Stereoselectivity governed by the structures of .alpha.-naphthylmethylcarbenium ion and 1-vinylnaphthyl moiety