Colorimetric assay for the rapid determination of free-base nicotine in e-liquid

Autor: Qi Xin Deng, Zheng Zhong Fang, Hong Qiao Lan, Wei Xie, Yan Lin, Tony D. James, Han Chun Xu, Chen Hui, Yan Jun Huang

Publikováno v: Huang, Y J, Deng, Q X, Lan, H Q, Fang, Z Z, Chen, H, Lin, Y, Xu, H C, James, T D & Xie, W 2020, ' Colorimetric assay for the rapid determination of free-base nicotine in e-liquid ', Analytical Methods, vol. 12, no. 2, pp. 193-199 . https://doi.org/10.1039/c9ay02280e

Nicotine exists in e-liquids primarily as the monoprotonated form and free-base form, the former is absorbed by the smoker relatively slowly and the latter is considered the bioavailable form of nicotine. Nowadays e-liquid manufacturers tend to incre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad0f12708bd4aac9822486113d6aeb81
https://doi.org/10.1039/c9ay02280e

A Flexible Asymmetric Approach to Methyl 5-Alkyltetramates and Its Application in the Synthesis of Cytotoxic Marine Natural Product Belamide A

Autor: Pei-Qiang Huang, Jian-Liang Ye, Ai-E Wang, Yuan-Ping Ruan, Hong-Qiao Lan

Publikováno v: Chemistry - A European Journal. 17:958-968

By using a methyl tetramate derivative (R)- or (S)-9 as a novel chiral building block, a direct, flexible, and highly enantioselective approach to methyl (R)- or (S)-5-alkyltetramates (2) is disclosed. Among the synthesized methyl 5-alkyltetramates 2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b5ad202e9593ece68d391e0473a2ac6
https://doi.org/10.1002/chem.201002063

A Flexible Approach to Methyl (5S)-5-Alkyltetramate Derivatives

Autor: Jian-Liang Ye, Pei-Qiang Huang, Li-Jiao Jiang, Jian-Feng Zheng, Hong-Qiao Lan

Publikováno v: Synlett. 2009:297-301

Regioselective Grignard reagent additions to 3-methoxymaleimidesand subsequent diastereoselective reductive dehydroxylation of theresulting N, O-acetalswere studied. On the basis of these studies, a flexible and highlyregio- and diastereoselective ap

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ad866747cd97556aa8a3d941fb78492
https://doi.org/10.1055/s-0028-1087672

The first enantioselective synthesis of cytotoxic marine natural product palau'imide and assignment of its C-20 stereochemistry

Autor: Yuan-Ping Ruan, Pei-Qiang Huang, Hong-Qiao Lan

Publikováno v: Chemical communications (Cambridge, England). 46(29)

Methyl tetramate derivative 6 has been developed as a new building block for the flexible and racemization-free synthesis of methyl 5-benzyl-3-methyltetramate via alkylation, and used in the first asymmetric synthesis of palau’imide (1). This allow

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa0b61654d57db5f00a4df06dab51a51
https://pubmed.ncbi.nlm.nih.gov/20556298

A concise asymmetric synthesis of (2S,3S,7S)-3,7-dimethylpentadecan-2-yl Acetate and propionate, the sex pheromones of pine sawflies

Autor: Xiao Zheng, Hong-Qiao Lan, Pei-Qiang Huang, Yuan-Ping Ruan

Publikováno v: The Journal of organic chemistry. 69(11)

(2S,3S,7S)-3,7-Dimethylpentadecan-2-yl acetate (2) and its propionate analogue (3) are the main sex pheromones of all Neodiprion species and Diprion similes, respectively. Starting from (S)-malic acid and employing a highly chemo-, regio-, and stereo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f3c6d2a4c6af2fbc90545357af85695
https://pubmed.ncbi.nlm.nih.gov/15153034