Adipic acid compositions
Disclosed are compositions of matter comprising an adipic acid product of formula (1) wherein R is independently a salt-forming ion, hydrogen, hydrocarbyl, or substituted hydrocarbyl, and at least one constituent selected from the group consisting of formula (2) wherein R is as defined above and each of R1 is, independently, H, OH, acyloxy or substituted acyloxy provided, however, that at least one of R1 is OH, and formula (3) wherein R is as above defined and R1 is OH, acyloxy or substituted acyloxy. Also disclosed are compositions of matter comprising at least about 99 wt % adipic acid and least two constituents selected from the group consisting of formula (2) and formula (3), above.
1. A composition comprising an adipic acid product of formula (1)
wherein R is independently a salt-forming ion, hydrogen, hydrocarbyl, or substituted hydrocarbyl, and at least two different compounds each selected from the group consisting of formula (2)
wherein R is as defined above, R 1 is H, OH, acyloxy or substituted acyloxy provided, however, at least one or R 1 is OH, and formula (3)
wherein R is as defined above and R 1 is H, OH, acyloxy or substituted acyloxy.
2. The composition of claim 1 comprising at least about 99 wt % adipic acid or a salt thereof and up to about 1 wt % of at least one compound of formula (2).
3. A composition comprising at least about 99 wt % adipic acid and up to about 1 wt % of at least one compound selected from the group consisting of formula (2)
wherein R is independently a salt-forming ion, hydrogen, hydrocarbyl, or substituted hydrocarbyl, R 1 is H, OH, acyloxy or Substituted acyloxy provided, however, at least one of R 1 is OH selected and formula (3)
wherein R is as above defined and R 3 is H, OH, acyloxy or substituted acyloxy.
4. The composition of claim 1 comprising at least about 99 wt % adipic acid and tip to about 1 wt % of at least two compounds each selected from the group consisting of formula (2) and formula (3).
5. The composition of claim 1 wherein each R of formulas (1), (2), and (3) is independently a salt-forming ion, hydrogen, hydrocarbyl containing 1 to 18 carbon atoms, or substituted hydrocarbyl containing 1 to 18 carbon atoms.
6. The composition of claim 5 wherein the hydrocarbyl containing 1 to 18 carbon atoms is selected from the group consisting of alkyl, alkylene, alkoxy, alkylamino, thioalkyl, haloalkyl, cycloalkyl, cycloalkylalkyl, heterocyclyl, N-heterocyclyl, heterocyclylalkyl, aryl, aralkyl heteroaryl, N-heteroaryl, and heteroarylalkyl.
7. The composition of claim 5 wherein the substituted hydrocarbyl containing 1 to 18 carbon atoms is selected from the group consisting of substituted alkyl and substituted cycloalkyl.
8. The composition of claim 1 wherein the salt-forming ion is selected from the group consisting of ammonium ions, alkali metal ions, and alkaline earth metal ions.
9. The composition of claim 1 wherein each R of formulas (1), (2), and (3) is independently hydrogen or a salt-forming ion selected from the group consisting of ammonium ions, alkali metal ions, and alkaline earth metal ions.
10. The composition of claim 1 wherein each R of formulas (1), (2), and (3) is independently hydrogen.
11. The composition of claim 1 wherein each R 1 of formulas (1), (2), and (3) is independently hydrogen or OH.
12. The composition of claim 3 wherein each R of formulas (2) and (3) is independently a salt-forming ion, hydrogen, hyrocarbyl containing 1 to 18 carbon atoms, or substituted hydrocarbyl containing 1 to 18 carbon atoms.
13. The composition of claim 12 wherein the hydrocarbyl containing 1 to 18 carbon atoms is selected from the group consisting of alkyl, alkylene, alkoxy, alkylamino, thioalkyl, haloalkyl, cycloalkyl, cycloalkylalkyl, heterocyclyl, N-heterocyclyl, heterocyclylalkyl, aryl, aralkyl heteroaryl, N-heteroaryl, and heteroarylalkyl.
14. The composition claim 12 wherein the substituted hydrocarbyl containing 1 to 18 carbon atoms is selected from the group consisting of substituted alkyl and substituted cycloalkyl.
15. The composition of claim 3 wherein the salt-forming son is selected from the group consisting of ammonium ions, alkali metal ions, and alkaline earth metal ions.
16. The composition of claim 3 wherein each R of formulas (2) and (3) is independently hydrogen or a salt-forming ion selected from the group consisting of ammonium ions, alkali metal ions, and alkaline earth metal ions.
17. The composition of claim 3 wherein each R of formula (2) and (3) is independently hydrogen.
18. The composition of claim 3 wherein each R 1 of formulas (2) and (3) is independently hydrogen or OH.