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n.1.(Chem.) A hydrocarbon radical (C2O2) regarded as a residue of oxalic acid and occurring in derivatives of it.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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Summary: Poly(1,4-cyclohexanedimethylene oxalate) was synthesized from oxalyl chloride and cis/trans-1,4-cyclohexandimethanol.
Oxalyl chloride was obtained from Macklin Biochemical Technology Co., Ltd.
Several studies in bacteria have reported the presence of oxalate-metabolizing proteins such as Oxalate antiport transport protein (OxIT), Formyl CoA transferase (FRC) Oxalate decarboxylase (OXDC), oxalyl CoA decarboxylase (OXC) and oxalate oxidoreductase (OOR) (34,35,36,37).
Chitosan with oxalyl bis 4-(2,5-dioxo-2H-pyrrol-1(5H)-yl)benzamide hydrogels were prepared and studied for their antimicrobial activity against Aspergillus fumigatus, A.
Reversal of drug resistance in P-glycoprotein-expressing T-cell acute lymphoblastic CEM leukemia cells by copper N-(2-hydroxy acetophenone) glycinate and oxalyl bis (N-phenyl) hydroxamic acid.
To a stirred solution of cinnamic acid (400 mg, 2.76 mmol) in 4 mL anhydrous C[H.sub.2][Cl.sub.2] at 0[degrees]C and under argon was added 3-4 drops of anhydrous DMF followed by dropwise addition of oxalyl chloride (700 mg, 5.52 mmol, 2eq.).
The carboxylic acids are first activated by crosslinking agents, such as carbodiimides [33], active esters [34], thionyl, or oxalyl chloride [35]to obtain highly reactive intermediates, yielding ester or amide linkages, and subsequently used to covalently attach to various types of biomolecules.
Gotti et al., "Characterization and heterologous expression of the oxalyl coenzyme a decarboxylase gene from Bifidobacterium lactis," Applied and Environmental Microbiology, vol.
The normal synthesis of these compounds involves reaction with oxalyl chloride.
Although the cycads didn't contain BOAA, Bell discovered a similar compound with a methyl group instead of an oxalyl group--BMAA.
A solution of 2-bromobenzoic acid (5.00 g, 24.77 mmol) and dichloromethane (50 mL) was treated with oxalyl chloride (3.81g, 30.00 mmol) and dimethyl formamide (5 drops).
(18.) Miljanic, S, Frkanec, L, Meic, Z, "Photoinduced Gelation by Stilbene Oxalyl Amide Compounds." Langmuir, 21 (7) 2754 2760 (2005).