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US 2024/0109984 A1Published application
Catalysts for Olefin Metathesis, Methods of Preparation, and Processes for the use Thereof
OwnerGursu Culcu, Alexander V. Zabula +1inventors
InventorsGursu Culcu, Alexander V. Zabula, David A. Cano
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Abstract
The present disclosure relates to molybdenum and/or tungsten complexes, catalyst systems including molybdenum and/or tungsten complexes, and polymerization processes to produce polyalkenamers such as polypentenamers and polycyclooctenamers.
Claims26
A catalyst compound represented by Formula (I):
- where:
- E is O, S, Se, Te, or NR″;
- each instance of R is independently is —OR′, —SR′, —OSi(OR′)3, or —OSiR′3, provided that if X is Cl, R is not —OR′;
- R′ is an unsubstituted hydrocarbyl or a substituted hydrocarbyl;
- R″ is an unsubstituted hydrocarbyl, substituted hydrocarbyl, a heteroatom, or a heteroatom-containing group;
- X is a halogen, C1 to C10 hydrocarbyl, or a substituted C1 to C10 hydrocarbyl;
- n is 0 or 1;
- and
- L is Lewis base.
6 more elements
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26-28. (canceled)
Dependencies are inferred from the claim text.