Studies on Water-Soluble Derivatives of p-Hydroxybenzoic Acid Esters
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چکیده
منابع مشابه
Farnesyl hydroxybenzoic acid derivatives from Ferula kuhistanica.
Four new farnesyl hydroxybenzoic acid derivatives, kuhistanols E-H (1-4), were isolated from the roots of the Uzbekistan medicinal plant Ferula kuhistanica. The structures of the new compounds were elucidated based on spectroscopic and chemical evidence.
متن کاملThe synthesis and biological evaluation of mycobacterial p-hydroxybenzoic acid derivatives (p-HBADs).
Mycobacterium tuberculosis establishes chronic infection and causes disease through manipulation of the host's innate and adaptive immune response. The bacterial cell wall is highly complex and contains a rich variety of glycosylated compounds that are secreted during infection and have been proposed as immunomodulatory molecules. Amongst the most important of these are the p-hydroxybenzoic aci...
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The effect of three food preservatives, sorbic acid and methyl and butyl esters of p-hydroxybenzoic acid, on the protonmotive force in Escherichia coli membrane vesicles was investigated. Radioactive chemical probes were used to determine the two components of the protonmotive force: delta pH (pH difference) and delta psi (membrane potential). Both types of compound selectively eliminated delta...
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Glycosylated p-hydroxybenzoic acid methyl esters and structurally related phenolphthiocerol glycolipids are important virulence factors of Mycobacterium tuberculosis. Although both types of molecules are thought to be derived from p-hydroxybenzoic acid, the origin of this putative biosynthetic precursor in mycobacteria remained to be established. We describe the characterization of a transposon...
متن کاملSynthesis, Characterization, and Biological Studies of Organotin(IV) Derivatives with o- or p-hydroxybenzoic Acids
Organotin(IV) complexes with o- or p-hydroxybenzoic acids (o-H(2)BZA or p-H(2)BZA) of formulae [R(2)Sn(HL)(2)] (where H(2)L = o-H(2)BZA and R = Me- (1), n-Bu- (2)); [R(3)Sn(HL)] (where H(2)L = o-H(2)BZA and R = n-Bu- (3), Ph- (4) or H(2)L = p-H(2)BZA and R = n-Bu- (5), Ph- (6)) were synthesized by reacting a methanolic solution of di- and triorganotin(IV) compounds with an aqueous solution of t...
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ژورنال
عنوان ژورنال: Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi)
سال: 1970
ISSN: 0015-6426,1882-1006
DOI: 10.3358/shokueishi.11.9