Patent classifications
C07C46/00
Menaquinol Compositions and Methods of Treatment
The present application discloses methods for the efficient preparation of high purity compounds of the Formula I, and their methods of use.
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Menaquinol Compositions and Methods of Treatment
The present application discloses methods for the efficient preparation of high purity compounds of the Formula I, and their methods of use.
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Process for stereospecific synthesis of vitamin K2 and its novel intermediates
The present disclosure relates to a novel process for the synthesis of stereospecific compounds of Vitamin K2 group in general and Vitamin K2-7. The present disclosure further discloses novel intermediates useful in the synthesis of stereospecific Vitamin K2-7. Compounds of the Vitamin K2 group obtained are crystalline and exhibit well defined melting points.
Process for stereospecific synthesis of vitamin K2 and its novel intermediates
The present disclosure relates to a novel process for the synthesis of stereospecific compounds of Vitamin K2 group in general and Vitamin K2-7. The present disclosure further discloses novel intermediates useful in the synthesis of stereospecific Vitamin K2-7. Compounds of the Vitamin K2 group obtained are crystalline and exhibit well defined melting points.
Aminated lignin-derived compounds and uses thereof
The present invention relates to novel lignin-derived compounds and compositions comprising the same and their use as redox flow battery electrolytes. The invention further provides a method for preparing said compounds and compositions as well as a redox flow battery comprising said compounds and compositions. Additionally, an assembly for carrying out the inventive method is provided.
Aminated lignin-derived compounds and uses thereof
The present invention relates to novel lignin-derived compounds and compositions comprising the same and their use as redox flow battery electrolytes. The invention further provides a method for preparing said compounds and compositions as well as a redox flow battery comprising said compounds and compositions. Additionally, an assembly for carrying out the inventive method is provided.
PROCESS FOR THE PREPARATION OF VITAMIN K2 AND NOVEL INTERMEDIATES
A compound of formula (I): (I) wherein n is an integer between 0 and 10; Y is hydrogen, halide, mesylate, tosylate, ester, SPh, SO2Ph, hydroxyl or protected hydroxyl; with the proviso that if n=0 or 1, Y is not hydrogen.
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PROCESS FOR THE PREPARATION OF VITAMIN K2 AND NOVEL INTERMEDIATES
A compound of formula (I): (I) wherein n is an integer between 0 and 10; Y is hydrogen, halide, mesylate, tosylate, ester, SPh, SO2Ph, hydroxyl or protected hydroxyl; with the proviso that if n=0 or 1, Y is not hydrogen.
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Method of producing 2-hydroxy-1,4-naphthoquinone
Provided is a method of producing 2-hydroxy-1,4-naphthoquinone in a large amount, a high yield, and inexpensively. This method comprises oxidizing 2-hydroxynaphthalene with hydrogen peroxide in (1) an alkaline aqueous solution or in (2) a mixture of an alkaline aqueous solution with an inert organic solvent incompatible with water, in the presence of a vanadium catalyst.
Synthesis of hydroxyfluorene-carboxilic acid and esters thereof
Methods of synthesizing phenanthrenequinone, 9-hydroxyfluorene-9-5 carboxylic acid (HFCA), methyl-9-hydroxyfluorene-carboxylate (HFCA methyl ester) and methyl-2-chloro-9-hydroxyfluorenecarboxylate, (Chlorflurenol) starting from preferred embodiment are disclosed. Several reaction products of phenanthrene are useful in industry, and are valuable plant growth regulators.