筛选条件 共查询到126条结果
排序方式
Study on the synthesis and theoretical calculation of a chlorine-substituted thiosemicarbazone derivative

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2021; 34 (8)

In this paper, the compound (E)-N-(3,5-dimethylphenyl)-2-(3-chlorobenzylidene)thiosemicarb-azone was synthesized and characterized by elemental analys......

The C5-substituent effects on the formic acid-assisted tautomerization of protonated cytosine: A lower isomerization barrier and potential biological importance

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2021; 34 (9)

The continuous oxidative products of 5-methylcytosine are called the "three new DNA bases." When it comes to 5-formylcytosine and 5-carboxylcytosine, ......

Effect of benzene ring on the excited-state intramolecular proton transfer mechanisms of hydroxyquinoline derivatives

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2021; 34 (10)

The proton transfer process of 8-hydroxyquinoline (HQ) can occur from the hydroxy oxygen to the pyridine nitrogen through a five-membered ring. For 10......

Determination and application of the excited-state substituent constants of pyridyl and substituted phenyl groups

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2021; 34 (9)

Thirty six 1-pyridyl-2-arylethenes XCH=CHArY (abbreviated XAEY) were synthesized, in which, X is 2-pyridyl, 3-pyridyl and 4-pyridyl and Y is OMe, Me, ......

Theoretical insights into phosphine-catalyzed [4+2] annulation of allenoates with thiazolone-derived alkenes

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2021; 34 (9)

In this article, the mechanism of [4 + 2] annulation of allenoates with thiazolone-derived alkenes catalyzed by phosphine has been studied using densi......

A time-dependent density function theory study on the substituent effect on excited-state intramolecular proton transfer of 4 '-methoxy-3-hydroxyl flavone

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2021; 34 (9)

Theoretical investigations on the excited-state intramolecular proton transfer (ESIPT) in the 4 '-methoxy-3-hydroxyl flavone (MHF) derivatives 4R-MHF ......

Mechanisms of Diels-Alder reactions between pyridines and dienophiles: A DFT investigation

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2021; 34 (10)

Mechanisms of the Diels-Alder (D-A) reactions between N-alkyl and aryl-1,2-dihydropyridines and dienophiles have been investigated by M06-2X-D3/6-31 +......

Theoretical unraveling detailed excited state proton transfer mechanism for 2,5-bis (benzoxazol-2-yl)thiophene-3,4-diol-ethyl compound in different solvents

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, ; ()

Excited state intramolecular proton transfer (ESIPT) of organic molecules has been drawing continuously considerable interests. It is not only one of ......

Theoretical investigation of Prolyl-Histidine-catalyzed intermolecular aldol reaction

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, ; ()

The mechanism of aldol reaction of acetone and benzaldehyde catalyzed by Prolyl-Histidine dipeptide was studied using density functional theory (DFT) ......

Dual-spectroscopic real-time monitoring of the reduction reaction between aristolochic acid I and Fe2+ and its bio-application

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, ; ()

Aristolochic acid (AA) is widely present in herbal medicine. Aristolochic acid I (AAI) and aristolochic acid lactam (AAT), as the main active ingredie......

Mechanistic and kinetics study on the reaction of CF3CBr(sic)CH(2)with OH: A theoretical study

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2020; 33 (10)

Quantum chemical method (CCSD(T)/cc-pVTZ//M06-2X/6-311++G(d,p)) is employed to research the CF3CBr(sic)CH2+ OH reaction. The results indicate that the......

Estimation of the enthalpy of formation for monosubstituted alkanes by(13)C NMR chemical shift

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2020; 33 (11)

The quantitative relationship between the(13)C nuclear magnetic resonance (NMR) chemical shift and the enthalpy of formation of monosubstituted alkane......

Modulating excited-state intramolecular proton transfer of 2-(5-(4-carboxyphenyl)-2-hydroxyphenyl)benzothiazole depending on substituents: A DFT/TD-DFT study

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2020; 33 (12)

The O-H-based excited-state intramolecular proton transfer (ESIPT) of 2-(5-(4-carboxyphenyl)-2-hydroxyphenyl)benzothiazole (CHBT) derivatives (4R-CHBT......

Mechanisms of Csp(2)-H functionalization of aldehydes with triplet O(2)catalyzed by NHPI: A density functional theory investigation

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2020; 33 (12)

The mechanisms of Csp(2)-H activation of aldehydes to yield carboxylic acids catalyzed by NHPI have been investigated with M06-2X-D3/ma-def2-TZVP meth......

A novel diarylethene-based fluorescence sensor with a benzohydrazide unit for the detection of Zn2+

期刊: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2020; 33 (12)

A novel fluorescent sensor on the basis of diarylethene and benzohydrazide unit was successfully synthesized. Its photochromic and fluorescent switchi......

共126条页码: 1/9页15条/页