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US 12,583,872 B2Granted
Photosensitizer compounds, methods of manufacture and application to plants
AssigneeNutrien AG Solutions (Canada) Inc.
InventorsMichael Fefer, Jun Liu, Kenneth Ng, Yuichi Terazono, Brady Nash, Inna Teshler, Wenzi Ckurshumova, Michael A. Brook, Yang Chen
Life of this patent
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Abstract
Provided herein are compounds of general Formula I: or agriculturally acceptable salts thereof. The compounds of Formula I can be used to improve the health of plants. For example, the compounds of Formula I can be used to inhibit a microbial pathogen of a plant, or to increase resistance of a plant to one or more abiotic stress. Methods of manufacturing the compounds of general Formula I, as well as synthetic intermediates are also provided.
Claims5
A compound of Formula I:
- or an agriculturally acceptable salt thereof,
- wherein:
- Z1 is OR1;
- Z2 is NR2—(CH2)n—NR4R5;
- and
- Z3 is OR12,
- R1, R2 and R12 are each H;
- R4 and R5 are each alkyl;
- n is an integer selected from 1 to 16;
- Ra, Rc, Re and Rf are methyl;
- Rb is vinyl;
- Rd is ethyl;
- is a single bond or a double bond;
- is a single bond or a double bond;
- and
- M is 2H or a metal species.
13 more elements
Dependencies are inferred from the claim text.