Patent classifications
C07C43/2055
Synthesis of honokiol
Disclosed herein are improved methods for the synthesis of honokiol, as well as methods for the synthesis of 3,3-di-tert-butyl-5,5-dimethyl-[1,1-biphenyl]-2,4-diol, 3,5-dimethyl-[1,1-biphenyl]-2,4-diol, and 2,4-dimethoxy-3,5-dimethyl-1,1-biphenyl, 3,3,5,5-tetra-tert-butyl-[1,1-biphenyl]-2,4-diol, and certain tetrasubstituted bisphenols, and uses therefor.
Synthesis of honokiol
Disclosed herein are improved methods for the synthesis of honokiol, as well as methods for the synthesis of 3,3-di-tert-butyl-5,5-dimethyl-[1,1-biphenyl]-2,4-diol, 3,5-dimethyl-[1,1-biphenyl]-2,4-diol, and 2,4-dimethoxy-3,5-dimethyl-1,1-biphenyl, 3,3,5,5-tetra-tert-butyl-[1,1-biphenyl]-2,4-diol, and certain tetrasubstituted bisphenols, and uses therefor.
Skin-protection composition containing Dendrobium-based ingredients
The present invention relates to a skin-protection composition that comprises stilbenoid(s) and/or stilbenoid-containing extract(s) obtained from Dendrobium plants, such as Dendrobium officinale and Dendrobium nobile for the management of melanogenesis, skin-darkening and skin-aging. More particularly, it relates to the usage of Dendrobium ingredients and stilbenoids to reduce the formation of melanin in melanocytes. It also relates to the usage of Dendrobium ingredients and stilbenoids to reduce the generation of reactive oxygen species and oxidative free radicals. This invention relates to the use Dendrobium-derived extracts or ingredients or stilbenoids in the formulation of skin-protection, skin-whitening and/or anti-skin aging products.
Electrochemically active agents for pH modulation in biological buffers
Device and methods for use in a biosensor comprising a multisite array of test sites, the device and methods being useful for modulating the binding interactions between a (biomolecular) probe or detection agent and an analyte of interest by modulating the pH or ionic gradient near the electrodes in such biosensor. An electrochemically active agent that is suitable for use in biological buffers for changing the pH of the biological buffers. Method for changing the pH of biological buffers using the electrochemically active agents. The methods of modulating the binding interactions provided in a biosensor, analytic methods for more accurately controlling and measuring the pH or ionic gradient near the electrodes in such biosensor, and analytic methods for more accurately measuring an analyte of interest in a biological sample.
Cardanol glycidyl ether derivatives
Methacrylated cardanol glycidyl ethers, diglycidyl ethers, intermediates and derivatives thereof are described herein. Compositions and polymers made with such compounds as well as methods of preparation thereof are also described. For example, compounds of Formulas: wherein n, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 can each represent various different entities are described in the present disclosure.
Tri-substituted aromatic-containing monomers, copolymers and methods for use
Disclosed are novel tri-substituted aromatic-alkoxylated monomers, polymers made with the novel tri-substituted aromatic-alkoxylated monomers, pH responsive polymers made with the novel tri-substituted aromatic-alkoxylated monomers, and related methods. Also disclosed is an aqueous coating composition including at least one latex polymer derived from at least one monomer copolymerized or blended with alkali swellable acrylate copolymer. Also provided is a method of preparing an aqueous coating composition such as a latex paint including the above components.
Tri-substituted aromatic-containing monomers, copolymers and methods for use
Disclosed are novel tri-substituted aromatic-alkoxylated monomers, polymers made with the novel tri-substituted aromatic-alkoxylated monomers, pH responsive polymers made with the novel tri-substituted aromatic-alkoxylated monomers, and related methods. Also disclosed is an aqueous coating composition including at least one latex polymer derived from at least one monomer copolymerized or blended with alkali swellable acrylate copolymer. Also provided is a method of preparing an aqueous coating composition such as a latex paint including the above components.
Electrochemically active agents for pH modulation in biological buffers
Device and methods for use in a biosensor comprising a multisite array of test sites, the device and methods being useful for modulating the binding interactions between a (biomolecular) probe or detection agent and an analyte of interest by modulating the pH or ionic gradient near the electrodes in such biosensor. An electrochemically active agent that is suitable for use in biological buffers for changing the pH of the biological buffers. Method for changing the pH of biological buffers using the electrochemically active agents. The methods of modulating the binding interactions provided in a biosensor, analytic methods for more accurately controlling and measuring the pH or ionic gradient near the electrodes in such biosensor, and analytic methods for more accurately measuring an analyte of interest in a biological sample.
BRIDGED BI-AROMATIC LIGANDS AND OLEFIN POLYMERIZATION CATALYSTS PREPARED THEREFROM
Disclosed are novel bridged bi-aromatic phenol ligands and transition metal catalyst compounds derived therefrom. Also disclosed are methods of making the ligands and transition metal compounds, and polymerization processes utilizing the transition metal compounds for the production of olefin polymers.
Method of Using dihydro-resveratrol or its stilbenoid derivatives and/or chemical variants in treatment of tumorous pathologies
The present invention relates to a polyphenol derivative of the stilbenoid family, namely trans-3,5,4-trihydroxybibenzyl, also known as dihydro-resveratrol, as a remedial agent. In particular, the present invention presents the usage of dihydro-resveratrol or its derivatives/chemical variants in the manufacture of a medicament for the treatment of tumors or cancers. The dihydrostilbenes can be used in the treatment or delay of progression of a cancer in a patient or used in a pharmaceutical formulation for the aforementioned purposes.