Patent ID: 7323607

Claim:
A process for preparing a (+)-p-mentha-2,8-diene-1-ol analog, the process comprising: wherein R 1 , R 2 and R 3 are H, alkyl or aryl; wherein R 4 is an alkyl, alkenyl or alcohol; wherein step (a) comprises reacting a (+)-limonene oxide analog having the Formula (1a) with at least one amine of the formula R 1 R 2 R 3 N in the presence of at least one Lewis acid to form amine adducts having the Formula (2a) and Formula (3a); wherein step (b) comprises oxidizing the amine adduct of Formula (2a)to form an N-oxide having Formula (4a); and wherein step (c) comprises pyrolizing the N-oxide of Formula (4a) to form a (+)-p-mentha-2,8-diene-1-ol analog of Formula (5a).