摘要:
The present invention provides high purity 2-naphthylacetonitrile with fewer impurities that is useful as a starting material or intermediate for the synthesis of various pharmaceutical products, agricultural chemicals, and chemical products, and a production method thereof. A high purity 2-naphthylacetonitrile having an HPLC purity of 2-naphthylacetonitrile of not less than 95 area %, and containing naphthalene compounds represented by the formulas (a)-(j) at a content of a predetermined area % or below. A method for producing high purity 2-naphthylacetonitrile, including the following step 1 and step 2: step 1: a step of subjecting 2′-acetonaphthone to a Willgerodt reaction in the presence of an additive where necessary, and hydrolyzing the obtained amide compound to give 2-naphthylacetic acid; step 2: a step of reacting the 2-naphthylacetic acid obtained in step 1, a halogenating agent and sulfamide in the presence of a catalyst as necessary in an organic solvent to give 2-naphthylacetonitrile.
摘要:
A method for producing a 2-(halogenated methyl)naphthalene represented by general formula (1):
where X is a halogen atom. The method includes a halogenation process of reacting 2-methylnaphthalene with a halogenating agent under light irradiation, in an organic solvent selected from a halogenated hydrocarbon, an aliphatic ester and an aliphatic hydrocarbon.
摘要:
The present invention relates to nordihydroguaiaretic acid derivative compounds, namely, butane bridge modified nordihydroguaiaretic acid (NDGA) compounds and butane bridge modified tetra-O-substituted NDGA compounds, pharmaceutical compositions containing them, methods of making them, and methods of using them and kits including them for the treatment of diseases and disorders, in particular, diseases resulting from or associated with a virus infection, such as HIV infection, HPV infection, or HSV infection, an inflammatory disease, such as various types of arthritis and inflammatory bowel diseases, metabolic diseases, such as diabetes and hypertension, or a proliferative disease, such as diverse types of cancers.
摘要:
There is provided a copolymer and polymeric particle comprising the copolymer, a method of producing a polymeric particle, a copolymeric binder, a method of producing a copolymeric binder, a near infrared radiation-sensitive coating composition, a negative working lithographic offset printing plate, a method of producing a negative working lithographic offset printing plate and methods of imaging the plate and printing with the imaged plate.
摘要:
Meta-diarylaniline or meta-diarylpyridinamine compounds, methods for preparing the same and uses thereof in manufacture of a medicament. The compounds according to the present application have strong inhibitory activity (at nM level) against wild-type and various drug-resistant HIV viral strains, exhibit good druggability, and can be easily synthesized.
摘要:
The present application relates to perfume raw materials, perfume delivery systems and consumer products comprising such perfume raw materials and/or such perfume delivery systems, as well as processes for making and using such perfume raw materials, perfume delivery systems and consumer products. Such perfume raw materials and compositions, including the delivery systems, disclosed herein expand the perfume communities options as such perfume raw materials can provide variations on character and such compositions can provide desired odor profiles.
摘要:
The present invention concerns the use as perfuming ingredient, for instance to impart odor notes of the floral and/or green type, of a compound of formula 5 wherein R is an ortho, meta or para substituent of the phenyl, and represents a hydrogen atom or a C 1-2 alkyl or alkoxyl group; R 1 represents a hydrogen atom or a methyl or ethyl group; 10 R 2 represents a hydrogen atom or a C 1-3 alkyl group; and X represents a CHO, COOR 3, CH(OR 4) 2 or CN group, R 3 being a methyl or ethyl group, and R 4, taken seperately, being a methyl or ethyl group, or said R 4, taken together, a C 2-5 alkanediyl group; and at least one of said R, R 1 or R 2 represents a group containing at least one carbon atom.
摘要翻译:本发明涉及作为加香成分的用途,例如赋予花香和/或绿色类型的气味,式5的化合物,其中R是苯基的邻位,间位或对位取代基,代表氢原子 或C 1-2烷基或烷氧基; R 1表示氢原子或甲基或乙基; 10 R 2表示氢原子或C 1-3烷基; 并且X表示CHO,COOR 3,CH(OR 4)2或CN基团,R 3为甲基或乙基,R 4分别为甲基或乙基,或所述R 4一起, C 2-5烷二基; 并且所述R,R 1或R 2中的至少一个表示含有至少一个碳原子的基团。
摘要:
There is provided a copolymer and polymeric particle comprising the copolymer, a method of producing a polymeric particle, a copolymeric binder, a method of producing a copolymeric binder, a near infrared radiation-sensitive coating composition, a negative working lithographic offset printing plate, a method of producing a negative working lithographic offset printing plate and methods of imaging the plate and printing with the imaged plate.
摘要:
One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. The subject methods provide improvements in many features of the transition metal-catalyzed reactions, including the range of suitable substrates, reaction conditions, and efficiency.