Patent ID: 8785683

Claim:
A process for preparing a glutaric acid product, the process comprising: reacting, in the presence of a heterogeneous hydrodeoxygenation catalyst comprising at least one d-block metal selected from the group consisting of Co, Ni, Ru, Rh, Pd, Os, Ir, Pt, and combinations thereof at a surface of a support and a halogen source, a C5-backbone substrate and hydrogen to convert at least a portion of the C5-backbone substrate to a glutaric acid product, wherein the C5-backbone substrate comprises a compound of formula I wherein X is independently hydroxyl, oxo, halo, acyloxy or hydrogen provided that at least one X is not hydrogen and R 1 is independently a salt-forming ion, hydrogen, hydrocarbyl, substituted hydrocarbyl, or lactone thereof and the glutaric acid product comprises a compound of formula II wherein R 1 is as defined for formula I.