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Fast and easy synthesis of the non-commercially available standard isobutyl monophosphate (ammonium salt).

ABSTRACT: In an attempt to establish a biosynthetic route towards isobutene, we faced the problem that the first intermediate isobutyl-monophosphate was not commercially available. In order to overcome this limitation we searched in the literature for protocols reporting the synthesis of phosphate monoesters from alcohols. Based on the suitability of the preceding developments for our purposes, we established a customized method for the fast, easy and affordable generation of the pursued molecule. Herein, a prompt and straightforward method for isobutyl-monophosphate (ammonium salt) is provided.•This is a customized method for the production of isobutyl-monophosphate (ammonium salt), using isobutanol as starting compound•Synthesis takes place in a one-pot fashion, under mild reaction conditions, in 2 h•The established sequential strategy requires 8 h at the most, including synthesis and purification steps to obtain the isolated product.

SUBMITTER: Escobedo-Hinojosa W

PROVIDER: S-EPMC8374633 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Fast and easy synthesis of the non-commercially available standard isobutyl monophosphate (ammonium salt).

Escobedo-Hinojosa Wendy W Hammer Stephan C SC Wissner Julian L JL Hauer Bernhard B

MethodsX 20210714

In an attempt to establish a biosynthetic route towards isobutene, we faced the problem that the first intermediate isobutyl-monophosphate was not commercially available. In order to overcome this limitation we searched in the literature for protocols reporting the synthesis of phosphate monoesters from alcohols. Based on the suitability of the preceding developments for our purposes, we established a customized method for the fast, easy and affordable generation of the pursued molecule. Herein, ...[more]

PMID: 34430336

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Project description:A series of double-chain quaternary ammonium salt surfactants N-[N'[3-(gluconamide)] propyl-N'-alkyl]propyl-N,N-dimethyl-N-alkyl ammonium bromide (CnDDGPB, where n represents a hydrocarbon chain length of 8, 10, 12, 14 and 16) were successfully synthesized from D (+)-glucose δ-lactone, N,N-dimethyldipropylenetriamine, and bromoalkane using a two-step method consisting of a proamine-ester reaction and postquaternization. Their surface activity, adsorption, and aggregation behavior in aqueous solution were investigated via measurements of dynamic/static surface tension, contact angle, dynamic light scattering, and transmission electron microscopy. An analysis of their application performance in terms of wettability, emulsifying properties, toxicity, and antibacterial properties was conducted. The results show that with increasing the carbon chain length of the CnDDGPB surfactants, their critical micelle concentration (CMC) increased and the pC20 and efficiency in the interface adsorption of the target product gradually decreased. Moreover, the influence of the hydrophobic carbon chain length on the surface of polytetrafluoroethylene (PTFE) was even greater for the wetting effect, reducing the contact angle to 32° within the length range of C8-C14. The results of the contact angle change and the wettability experiments proved that C10DDGPB exhibited the best wettability. The liquid paraffin and soybean oil emulsification ability of CnDDGPB showed an upward trend followed by a downward trend with the growth of the carbon chain, with C12DDGPB exhibiting the best emulsification performance. The Dlong/Dshort ratio was far lower than 1, which indicates mixed-kinetic adsorption. The surfactants formed spherical micelles and showed a unique aggregation behavior in aqueous solution, which showed an increase-decrease-increase trend with the change in concentration. A cell toxicity and acute oral toxicity experiment showed that the CnDDGPB surfactants were less toxic than the commonly used surfactant dodecyldimethylbenzyl ammonium chloride (1227). In addition, at a concentration of 150 ppm, CnDDGPB exhibited the same bacteriostatic effect as 1227 at a concentration of 100 ppm. The results demonstrate that sugar-based amide cationic surfactants are promising as environmentally friendly disinfection products.

Dataset Information

Fast and easy synthesis of the non-commercially available standard isobutyl monophosphate (ammonium salt).

Publications

Fast and easy synthesis of the non-commercially available standard isobutyl monophosphate (ammonium salt).

Similar Datasets

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