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US 2026/0250245 A1Published application
Alkenyl succinimide compounds and their use
AssigneeVertellus Holdings LLC
InventorsBrett DUKE, Atanu ADHVARYU, Matthew STEPHENS
Life of this patent
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Abstract
This disclosure relates to processes for preparing succinimide derivatives that are useful in the chemical arts, such as in the manufacture of products, such as lubricants and fuel additives. In particular, the present disclosure pertains to novel processes for preparing certain succinimide derivatives.
Claims22
A compound of the formula I
- wherein
- Z1 and Z2 are each independently a bond or —CH═CH—, provided that one of Z1 or Z2 is —CH═CH—, and one of Z1 or Z2 is a bond;
- R1 is H or C1-C6 alkyl;
- and
- R2 is C6-C36 alkyl.
2 more elements
10-18. (canceled)
A process for preparing a compound of the formula I
- wherein
- Z1 and Z2 are each independently a bond or —CH═CH—, provided that one of Z1 or Z2 is —CH═CH—, and one of Z1 or Z2 is a bond;
- R1 is H or C1-C6 alkyl;
- and
- R2 is C6-C36 alkyl,
- comprising one or more of steps
- i. contacting a terminal C10-C44 alkyl olefin with a catalyst under conditions suitable to isomerize the terminal C10-C44 alkyl olefin to one or more of a beta-gamma Cia-C44 alkyl olefin, gamma-delta C10-C44 alkyl olefin, delta-epsilon C10-C44 alkyl olefin, epsilon-zeta C10-C44 alkyl olefin, or zeta-eta C10-C44 alkyl olefin;
- or
- ii. contacting the beta-gamma C10-C44 alkyl olefin, gamma-delta C10-C44 alkyl olefin, delta-epsilon C10-C44 alkyl olefin, epsilon-zeta C10-C44 alkyl olefin, or zeta-eta C11-C44 alkyl olefin product of step (i) with maleic anhydride under conditions suitable to provide a compound of the formula II
- or
- iii. contacting a compound of the formula II
- with an ammonia source under conditions sufficient to provide a compound of the formula I.
9 more elements
A process for preparing a compound of the formula I
- wherein
- Z1 and Z2 are each independently a bond or —CH═CH—, provided that one of Z1 or Z2 is —CH═CH—, and one of Z1 or Z2 is a bond;
- R1 is H or C1-C6 alkyl;
- and
- R2 is C6-C36 alkyl,
- comprising
- i. contacting a terminal C10-C44 alkyl olefin with catalyst under conditions suitable to isomerize the terminal C10-C44 alkyl olefin to one or more of a beta-gamma C10-C44 alkyl olefin, gamma-delta C10-C44 alkyl olefin, delta-epsilon C10-C44 alkyl olefin, epsilon-zeta C10-C44 alkyl olefin, or zeta-eta C10-C44 alkyl olefin;
- and
- ii. contacting the beta-gamma C10-C44 alkyl olefin, gamma-delta C10-C44 alkyl olefin, delta-epsilon C10-C44 alkyl olefin, epsilon-zeta C10-C44 alkyl olefin, or zeta-eta C10-C44 alkyl olefin product of step (i) with maleic anhydride under conditions suitable to provide a compound of the formula II
- and
- iii. contacting a compound of the formula II
- with an ammonia source under conditions sufficient to provide a compound of the formula I.
9 more elements
30-61. (canceled)
Dependencies are inferred from the claim text.