An inexpensive, stereoselective synthesis for nootkatone, tetrahydronootkatone, and their derivatives is disclosed utilizing ozonolysis. The starting materials used in the synthesis are inexpensive and the reactions are commercially feasible and amenable to scaling up. The principal starting material, ()--Pinene, is on the GRAS list (generally recognized as safe).

An inexpensive, stereoselective synthesis for nootkatone, tetrahydronootkatone, and their derivatives is disclosed utilizing ozonolysis. The starting materials used in the synthesis are inexpensive and the reactions are commercially feasible and amenable to scaling up. The principal starting material, ()--Pinene, is on the GRAS list (generally recognized as safe).

An inexpensive, stereoselective synthesis for nootkatone, tetrahydronootkatone, and their derivatives is disclosed utilizing ozonolysis. The starting materials used in the synthesis are inexpensive and the reactions are commercially feasible and amenable to scaling up. The principal starting material, ()--Pinene, is on the GRAS list (generally recognized as safe).

Methods of preparing unsaturated compounds or analogs through dehydrogenation of corresponding saturated compounds and/or hydrogenation of aromatic compounds are disclosed.

Methods of preparing unsaturated compounds or analogs through dehydrogenation of corresponding saturated compounds and/or hydrogenation of aromatic compounds are disclosed.

The present invention relates to a method for preparing 14-methyl-16-oxabicyclo-[10.3.1]pentadecenes in a two-step synthesis from 3-methyl-1,5-cyclopentadecane-dione as starting material.

The present invention relates to a method for preparing 14-methyl-16-oxabicyclo-[10.3.1]pentadecenes in a two-step synthesis from 3-methyl-1,5-cyclopentadecane-dione as starting material.

The present invention relates to a method for preparing 14-methyl-16-oxabicyclo-[10.3.1]pentadecenes in a two-step synthesis from 3-methyl-1,5-cyclopentadecane-dione as starting material.

Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a stream containing hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof with either an active catalyst containing an amorphous and partially-dehydrated phosphate salt or a precursor catalyst containing a crystalline phosphate salt in a reactor with a low corrosion rate are provided.

Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a stream containing hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof with either an active catalyst containing an amorphous and partially-dehydrated phosphate salt or a precursor catalyst containing a crystalline phosphate salt in a reactor with a low corrosion rate are provided.