COA of Formula: C6H3Cl2NO. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-Chloronicotinoyl chloride, is researched, Molecular C6H3Cl2NO, CAS is 49609-84-9, about Synthesis, Crystal Structure, Herbicidal Activity, and SAR Study of Novel N-(Arylmethoxy)-2-chloronicotinamides Derived from Nicotinic Acid. Author is Yu, Chen-Sheng; Wang, Qiao; Bajsa-Hirschel, Joanna; Cantrell, Charles L.; Duke, Stephen O.; Liu, Xing-Hai.
Nicotinic acid, also known as niacin, is a natural product, which is widely found in plants and animals. To discover novel natural-product-based herbicides, a series of N-(arylmethoxy)-2-chloronicotinamides were designed and synthesized. Some of the new N-(arylmethoxy)-2-chloronicotinamides exhibited excellent herbicidal activity against Agrostis stolonifera (bentgrass) at 100μM. Compound 5f (2-chloro-N-((3,4-dichlorobenzyl)oxy)nicotinamide) possessed excellent herbicidal activity against Lemna paucicostata (duckweed), with an IC50 value of 7.8μM, whereas the com. herbicides clomazone and propanil had values of 125 and 2μM, resp. The structure-activity relationships reported in this paper could be used for the development of new herbicides against monocotyledonous weeds.
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Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate