59333-63-0Relevant academic research and scientific papers
N-alkyl phthalamide acid derivative, synthesis method and application thereof
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Paragraph 0039-0042, (2020/07/12)
The invention discloses an N-alkyl phthalamide acid derivative, a synthesis method and application thereof, belongs to the technical field of thermoplastic vulcanized rubber, and can effectively solvethe problem of easy precipitation of a slipping agent in the existing TPV. A general structural formula of the derivative is shown as the specification, wherein R is an alkyl group. The preparation method comprises the following steps: distilling phthalamide acid and alkylamine which are dissolved in an organic solvent according to a molar ratio of 1:1 under a high-temperature condition, conducting cooling, then performing reduced-pressure suction filtration, and finally conducting drying to obtain a white waxy or yellowish solid N-alkyl phthalamide acid derivative finished product. The synthesized finished product can be used as a slipping agent in TPV, and has the advantages of excellent slipping effect and precipitation resistance in the use process; in addition, the synthesized finished product can also be applied as a slipping agent to plastics, rubber, other thermoplastic elastomers and printing ink, and the slipping and anti-bonding effects are achieved.
Scaleable two-component gelator from phthalic acid derivatives and primary alkyl amines: Acid-base interaction in the cooperative assembly
Su, Ting,Hong, Kwon Ho,Zhang, Wannian,Li, Fei,Li, Qiang,Yu, Fang,Luo, Genxiang,Gao, Honghe,He, Yu-Peng
, p. 4066 - 4073 (2017/07/10)
A series of phthalic acid derivatives (P) with a carbon-chain tail was designed and synthesized as single-component gelators. A combination of the single-component gelator P and a non-gelling additive n-alkylamine A through acid-base interaction brought about a series of novel phase-selective two-component gelators PA. The gelation capabilities of P and PA, and the structural, morphological, thermo-dynamic and rheological properties of the corresponding gels were investigated. A molecular dynamics simulation showed that the H-bonding network in PA formed between the NH of A and the carbonyl oxygen of P altered the assembly process of gelator P. Crude PA could be synthesized through a one-step process without any purification and could selectively gel the oil phase without a typical heating-cooling process. Moreover, such a crude PA and its gelation process could be amplified to the kilogram scale with high efficiency, which offers a practical economically viable solution to marine oil-spill recovery.
Synthesis and properties of sodium mono-alkylamide phthalate surfactants
Han, Fu,Xu, Bao-Cai,Qu, Zhi-Qiang,Zhou, Ya-Wen,Zhang, Gui-Ju
, p. 445 - 448 (2012/10/29)
The synthesis of a series of sodium monoalkylamide phthalate surfactants is described, and the surface activity properties of the surfactants are reported. The mono-alkylamide phthalic acids were synthesized by amidation using primary aliphatic amines (lauryl, myristyl, cetyl) and phthalic anhydride as starting material. They were structurally characterized by IR, 1H NMR and MS. The sodium mono-alkylamide phthalate surfactants were prepared by neutralization of the precursor acids with sodium hydroxide. They reduced the surface tension of water to 30-38 mN m-1 at concentration levels of 10-4 mol L-1. AOCS 2012.
Esters comprising a secondary carbamoyl function and their use as odorant alcohol precursors
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, (2008/06/13)
The compounds of the formula in which the dotted line indicates the location of a single or double bond; R1 represents a radical derived from an odoriferous alcohol of the formula R1OH; R2 represents a hydrogen atom, a linear or branched, saturated or unsaturated C1-C30 hydrocarbon radical, or an aliphatic or aromatic cyclic compound having 5 or 6 carbon atoms, this radical R2 possibly comprising heteroatoms of oxygen, sulphur or nitrogen; the symbols R3, R4 and R4′, considered independently, represent a hydrogen atom, a linear or branched, saturated or unsaturated, if necessary substituted, C1 to C20 hydrocarbon radical possibly comprising one or more heteroatoms, or, when considered together with the carbon atoms to which they are bonded, can form aromatic or aliphatic monocyclic, bicyclic or tricyclic compounds, the radicals R3, R4 and R4′ possibly comprising functional groups of the ester and carbamoyl type so as to liberate several molecules of odoriferous alcohol R1OH per single molecule of precursor, are new compounds capable of liberating an odoriferous alcohol of the formula R1OH upon hydrolysis of the ester bond.
Organic acids as catalysts for the erosion of polymers
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, (2008/06/13)
The invention relates to the use of carboxylic acids incorporated as a catalyst in poly(orthoester)s and other acid labile polymers such that upon exposure to aqueous environments the acid catalyzes the erosion of the polymer matrix. The rate of release of a drug substance incorporated into or surrounded by the poly(orthoester) or other acid labile polymer can be controlled in that the drug is released as the polymer is eroded in response to the catalytic action of the acid incorporated therein.
A Two-stage Conversion of Primary-alkyl Primary-amines into Alcohols and Further Examples of Transfunctionalisation of Amines under Mild Conditions
Katritzky, Alan R.,Saba, Antonio,Patel, Ranjan C.
, p. 1492 - 1494 (2007/10/02)
Phase-transfer catalysts allow the conversion of primary-alkyl primary-amines into primary alcohols, sulphones, sulphides, and ethers at = 100 deg C via the pentacyclic pyridiniums (9).
