CAS: 16712-64-4; 6-Hydroxy-2-Naphthoic Acid

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52927-22-7 78119-82-1 17295-11-3

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CAS号15231-91-1 6-溴-2-萘酚 | CAS号104-76-7 2-乙基己醇 | CAS号135-19-3 2-萘酚 | CAS号201230-82-2 carbon monoxide | CAS号36294-21-0 Potassium 2-nap... | CAS号17295-26-0 6-乙酰氧基-2-萘甲酸 | CAS号17295-11-3 6-羟基-2-萘甲酯 | CAS号6158-45-8 1-异丙基萘 | CAS号19402-71-2 1-Naphthalenol,... | CAS号2471-70-7 6-甲氧基-2-萘甲酸 | CAS号135-19-3 2-萘酚 | CAS号1131-63-1 5,6,7,8-四羟基-2-萘甲酸 | CAS号309752-65-6 6-羟基-2-萘甲醇 | CAS号17295-12-4 6-羟基-2-萘酸乙酯 | CAS号17295-26-0 6-乙酰氧基-2-萘甲酸 | CAS号17295-11-3 6-羟基-2-萘甲酯 | CAS号121714-82-7 (6-carbon°Chlor... | CAS号113458-95-0 2-Naphthaleneca... | CAS号114804-76-1 6-苄氧基萘-2-羧酸甲酯 | CAS号114804-77-2 6-phenylmethoxy...

6-氨基萘-2-甲腈置于硫酸体系中,化学反应生成2-羟基-6-萘甲酸
参考文献:A Convenient Method For The Preparation Of Hydroxy Naphthoic Acids
标题:A Convenient Method For The Preparation Of Hydroxy Naphthoic Acids
摘要:
Doi:10.1021/ja01848A054

专利信息

专利号:US-6180830-B1
优先权日:1995-11-08
标题 :Method for preparing a bimetallic ruthenium/tin catalyst and a process for the synthesis of aldehydes
发明人：JACQUOT ROLAND
权利人:RHODIA CHIMIE SA
摘要:The present invention relates to a new process for the preparation of a bimetallic ruthenium/tin catalyst. The process for the preparation of a bimetallic ruthenium/tin catalyst according to the invention is characterised by the fact that it consists in carrying out the reduction of a ruthenium complex having an electrovalency of -4 and a coordination number of 6, the ligands being either a halogen atom or an anion or a tin halide. The catalyst is further employed for the preparation of aldehydes by reduction, in the vapor phase, of carboxylic acids, esters and anhydrides.

专利号:WO-9108265-A1
优先权日:1989-12-02
标 题:Azo compounds and their use as dyes, 1-sulpho-6-carboxyl-amino naphthaline, its use as a diazo component and process for the production of these compounds
发明人：SPRINGER HARTMUT; HUSSONG KURT
权利人:HOECHST AG
摘要:The description relates to azo compounds corresponding to formula (1) below, having fibre-reactive properties and making valuable dyes. They can dye hydroxy and/or carbonamide group-containing synthetic and natural materials, especially fibre materials, like wool and especially cellulose fibre materials in bright colours. Formula (1) in which: M is hydrogen or a salt-forming metal like an alkaline metal; K is a residue of general formulae (2A) or (2B) in which: E is the residue of an intermediate component common in disazo dyes which can act as a coupling and as a diazo component, e.g. the residue of a 1-(aminophenyl) or -amino-naphthyl) pyrazolon, aminonaphthol, anilin or 1-amino naphthalin compound; v is the figure zero or 1; K is the residue of a water-soluble coupling component, preferably from the naphthol, aminonaphthol, anilin, pyrazolon, hydroxypyridon and acetoacetyl arylide series, whereby this coupling component contains 1 or 2 fibre-reactive groups of the vinyl sulphonate series; D is a benzol or naphthalin residue, whereby its substituents R?1 and R?2 are common ones in azo dyes, e.g. (besides hydrogen) lower alkyl, lower alkoxy, halogen, sulpho and carboxyl; the group -SO2?-Y is a fibre-reactive group of the vinyl sulphone series; a is the figure zero, 1 or 2; and k is the number 1 or 2. A description is also given of the compound 2-amino naphthaline-1-sulphonic acid-6-carboxylic acid which may be used as a pre-product in the production of dyes, e.g. as diazo component in the synthesis of dyes of general formula (1).

专利号:US-8329854-B2
优先权日:2010-09-27
标题 :Synthesis of tri-component resins
发明人：BIRAU MARIA; ALLEN C GEOFFREY
权利人:BIRAU MARIA; ALLEN C GEOFFREY; XEROX CORP
摘要:A resinous compound of the formulas or a salt thereof, wherein G1 is —X1C(O)OR1, —X2OC(O)R2, or —X2OH; G2 is R4, R12, —C(O)R2, —C(O)X1C(O)OR1, or —C(O)X2OC(O)R2; R1 is an alkyl having from 10 to 80 carbon atoms; R2 is an alkyl having from 2 to 40 carbon atoms; each R3 and R4 is independently hydrogen, alkyl, arylalkyl or alkylaryl; each R5 and each R6 is independently hydrogen or alkyl; X1 and X2 are both a straight or branched alkylene group; t1 is 1 to 20; t2 and t3 is independently 0 to 20; u1 is 1 to 30; u2 and u3 is independently 0 to 30; each R7 and each R8 is independently hydrogen, alkyl, or alkoxyl; each R9 and each R10 is independently hydrogen, alkyl, or alkoxyl; Ar is a substituted or unsubstituted aromatic moiety; p is 1 to 5; q is 1 to 12; A⊖ is selected from the group consisting of Cl−, Br−, I−, HSO4−, HSO3−, CH3SO3−, NO3−, HCOO−, CH3COO−, H2PO4−, SCN−, BF4−, ClO4−, SSO3−, PF6−, and SbCl6−; and J is alkyl, arylalkyl, or alkylaryl.

专利号:US-7973193-B2
优先权日:2003-10-02
标题:Method for producing ester condensed product
发明人：ISHIHARA KAZUAKI; YAMAMOTO HISASHI
权利人:JAPAN SCIENCE & TECH AGENCY
摘要:The present invention is to provide a method for preparing an ester condensate and a catalyst therefore; wherein the method enables synthesis of enormous amounts of ester condensates comprising a specific structure in good yield, by a reaction of carboxylic acid and alcohol in equimolar amounts, while generation of by-products is prevented; wherein the catalyst exhibits good catalytic efficiency as a catalyst for use, the use of the catalyst in small amount is sufficient, and the catalyst is reusable and can be used repeatedly; therefore, the method for preparing an ester condensate of the present invention and the catalyst therefore can be applied to industrial methods which are preferable in view of green chemistry. Esterification reaction is performed by using a catalyst comprising a zirconium(IV) compound and/or a hafnium(IV) compound and an iron compound and a gallium compound. It is preferable that the zirconium(IV) compound is a compound represented by Zr(OH) a (OR 1 ) b , wherein, R 1 represents an acyl group or an alkyl group, and each of a and b is 0 or any one of integers of 1 to 4 and the relationship of a+b=4 is satisfied, and a zirconium(IV) halide.

专利号:US-11702652-B2
优先权日:2005-12-01
标题:Enzymatic encoding methods for efficient synthesis of large libraries

专利号:US-7211693-B2
优先权日:2002-08-02
标题:Preparation of lactic acid derivatives and their use
发明人：SELIFONOV SERGEY
权利人:AROMAGEN CORP
摘要:The present invention relates to preparing lactic acid derivatives that are useful as odorants and monomers for polymer synthesis.