摘要:
According to various embodiments of the present disclosure, a method for preparing a furan monomer having a bifunctional hydroxymethyl group (2, 5-bis(hydroxymethyl) furan (BHMF)), the method comprising the steps of: using furfuryl alcohol to synthesize a low-molecular weight furan mixture; and extracting and highly purifying the furan monomer having a bifunctional hydroxymethyl group from the low-molecular weight furan mixture.
摘要:
This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Arthropoda, Mollusca, and Nematoda, processes to produce such molecules, intermediates used in such processes, pesticidal compositions containing such molecules, and processes of using such pesticidal compositions against such pests. These pesticidal compositions may be used, for example, as acaricides, insecticides, miticides, molluscicides, and nematicides. This document discloses molecules having the following formula ("Formula One").
摘要:
The invention relates to the novel synthesis of ascorbic acid compounds with lysine and its derivatives and/or proline and its derivatives. The present invention provides a pharmaceutically effective composition which comprises the ascorbic acid derivatives with lysine and proline. The present invention also includes methods of use in research fields including, but not limited to, medicine, nutrition, physiology, and pharmacology applications.
摘要:
The invention relates to a novel polynary metal oxide phosphate of general formula MaV4-aOb(PO4)c (I), wherein M represents one or more metals selected from the group including Ti, Zr, Hf,Cr, Fe, Co, Ni, Ru, Rh, Pd, Cu, Zn, B, Al, Ga and In, a has a value of 0 to 2.0, b has a value of 2.0 to 4.0, c has a value of 2.0 to 4.0, said novel compound having a crystal structure and being characterized by defined diffraction reflexes in powder X-ray diffraction. Preferred representatives are V4O3(PO4)3, CrV3O3(PO4)3, FeV3O3(PO4)3 and TiV3O3(PO4)3. The metal oxide phosphates are suitable as gas phase oxidation catalysts, e.g. for producing maleic anhydride from a hydrocarbon with at least four carbon atoms.
摘要:
The invention relates to a novel polynary vanadyl pyrophosphate of general formula (VO)a(M1-bVb)2(P2O7)c (I), wherein M represents one or more metals selected from the group including Ti, Zr, Hf, Cr, Fe, Co, Ni, Ru, Rh, Pd, Cu, Zn, B, Al, Ga and In, a has a value of 0.5 to 1.5, b has a value of 0 to 0.9, c has a value of 1.5 to 2.5, said novel compound having a crystal structure and being characterized by defined diffraction reflexes in powder X-ray diffraction. A preferred representative is (VO)Fe2(P2O7)2. The vanadyl pyrophosphates are suitable as gas phase oxidation catalysts, e.g. for producing maleic anhydride from a hydrocarbon with at least four carbon atoms.