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Organic Letters, ISSN 1523-7060, 12/2016, Volume 18, Issue 23, pp. 6116 - 6119
The first general procedure for the synthesis of 5- to 7-membered cyclic iminoethers by microwave-assisted cyclization of ω-amido alcohols promoted by... 
MILD | POTENT | HETEROCYCLES | CONVERSION | 2-THIAZOLINES | CONFIGURATION | CHEMISTRY, ORGANIC | INHIBITORS | 2-OXAZOLINES | CYCLODEHYDRATION | OXAZOLINES
Journal Article
Organic Letters, ISSN 1523-7060, 12/2016, Volume 18, Issue 24, pp. 6468 - 6471
The direct esterification of carboxylic acids with perfluorinated alcohols mediated by XtalFluor-E is reported. The corresponding polyfluorinated esters are... 
IN-SITU ACTIVATION | CYCLODEHYDRATION AGENT | DESIGN | ESTERS | CHEMISTRY, ORGANIC | DERIVATIVES | BATTERIES
Journal Article
by Tang, JB and Li, SQ and Liu, Z and Zhao, YS and She, ZJ and Kadam, VD and Gao, G and Lan, JB and You, JS
ORGANIC LETTERS, ISSN 1523-7060, 02/2017, Volume 19, Issue 3, pp. 604 - 607
A cascade double C-H annulation of aldoximes with alkynes to produce benz[a]acridizinium salts is developed by using a simple catalytic system of... 
ROUTE | RHODIUM | ISOQUINOLINE | CATALYZED ANNULATION | CHEMISTRY, ORGANIC | PRIMARY AMINES | BOND ACTIVATION | INTERNAL ALKYNES | AROMATIC CYCLODEHYDRATION | MOLECULAR-OXYGEN
Journal Article
Applied Catalysis A, General, ISSN 0926-860X, 09/2015, Volume 505, pp. 422 - 430
•Vapor-phase cyclodehydration of diethylene glycol into 1,4-dioxane was investigated.•Ag2O-modified Al2O3 was found to be efficient for stabilizing the... 
Cyclodehydration | Diethylene glycol | Ag-modified Al2O3 | Catalyst deactivation | 1,4-Dioxane | Ag-modified Al | SUPPORTED SILICOTUNGSTIC ACID | 1,2-PROPANEDIOL | SELECTIVE CYCLODEHYDRATION | CHEMISTRY, PHYSICAL | GRAPHITE OXIDE | 1,4-BUTANEDIOL | RARE-EARTH-OXIDES | 3-BUTEN-1-OL | ALUMINA | ENVIRONMENTAL SCIENCES | DEHYDRATION | INDIUM OXIDE
Journal Article
Molecules (Basel, Switzerland), ISSN 1420-3049, 06/2019, Volume 24, Issue 11, p. 2187
Reported here is the direct synthesis of naphthofurans and benzofurans from readily available phenols and -haloketones promoted by titanium tetrachloride which... 
titanium tetrachloride | naphthofuran | α-haloketones | benzofuran | cyclodehydration
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 06/2016, Volume 57, Issue 26, pp. 2898 - 2900
[Display omitted] •The new catalyst system for 1,2,4-oxadiazole preparation is described.•Using the superbase catalytic system 1,2,4-oxadiazole formation from... 
Cyclodehydration | 1,2,4-Oxadiazoles | Superbase system | DMSO | O-Acylamidoximes | DESIGN | BIPOLAR HOST MATERIALS | CHEMISTRY, ORGANIC | O-Acylarnidoximes | HIGHLY EFFICIENT | DISCOVERY | FLUORIDE
Journal Article
Organic & biomolecular chemistry, ISSN 1477-0520, 11/2017, Volume 15, Issue 45, pp. 9570 - 9574
XtalFluor-E® has been extensively used in a broad range of reactions in the past few years. Here we report its use with protic nucleophiles in a catalytic... 
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 05/2019, Volume 60, Issue 19, pp. 1337 - 1340
Direct intramolecular cyclodehydration of aryloxyketones in the presence of titanium tetrachloride produces the corresponding benzofurans and naphthofurans... 
Titanium tetrachloride | Cyclodehydration | Naphthofuran | Benzofuran | REAGENTS | EFFICIENT SYNTHESIS | CHEMISTRY, ORGANIC | SELECTIVE SYNTHESIS | DERIVATIVES | DISCOVERY | Chemical tests and reagents | Halides
Journal Article
Organic Letters, ISSN 1523-7060, 07/2017, Volume 19, Issue 13, pp. 3604 - 3607
The eliminative deoxofluorination of cyclohexanone derivatives using XtalFluor-E is described. The corresponding monofluoroalkenes are obtained in up to 79%... 
IN-SITU ACTIVATION | CYCLODEHYDRATION AGENT | FLUOROALKENES | OLEFINATION | CHEMISTRY, ORGANIC | FLUORINATION | EFFICIENT | METATHESIS | FLUORIDES | CARBOXYLIC-ACIDS | BENZYL ALCOHOLS
Journal Article
Synthesis, ISSN 0039-7881, 08/2018, Volume 50, Issue 15, pp. 3048 - 3058
Abstract A method to convert tertiary N -propargylamides into 1,2,4-trisubstituted imidazoles using ammonium chloride and zinc triflate as the catalyst is... 
paper | cyclodehydration | N -propargylamides | privileged structures | Lewis acid catalysis | imidazoles | lead-oriented synthesis | hydroamination | N-propargylamides | CHEMISTRY, ORGANIC | DISCOVERY | LEAD
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 10/2016, Volume 57, Issue 43, pp. 4842 - 4844
[Display omitted] •Total synthesis of optically pure (+)-Fuligocandin A from l-proline.•A one-pot reductive β-enamino cyclodehydration proceeds with retention... 
(+)-Fuligocandin | Vinylogous amide | 2-Methylenebenzo[e][1,4]diazepin-5-one | One-pot reductive cyclodehydration | CHEMISTRY, ORGANIC
Journal Article
Beilstein journal of organic chemistry, ISSN 1860-5397, 2020, Volume 16, Issue 1, pp. 32 - 38
A general procedure for the synthesis of 2-substituted tetrahydro-1,3-thiazepines by MW-assisted cyclization of 4-thioamidobutanols is presented. The acyclic... 
Acids | Alcohols | microwaves | medium-size heterocycles | tetrahydrothiazepines | cyclodehydration | ppse
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 01/2018, Volume 59, Issue 3, pp. 238 - 242
[Display omitted] •An unexpected Mitsunobu route to N-arylated azacycles.•Mitsunobu cyclodehydration versus intramolecular cyclisation investigated.•Reaction... 
Cyclodehydration | Nucleophilic aromatic substitution | Cyclisation | Mitsunobu | Intramolecular | PHASE | HSP70 | CHEMISTRY, ORGANIC | INHIBITORS | Substitution reactions | Drugstores | Analysis | Pharmacy
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2009, Volume 50, Issue 39, pp. 5474 - 5478
The intramolecular cyclization of amidoalkyl naphthols by Vilsmeier reagent produced 1,3-oxazines. The Vilsmeier reagent (chloromethylenedimethylammonium... 
FACILE SYNTHESIS | REAGENTS | HAACK REACTION | ONE-POT SYNTHESIS | NUCLEOPHILIC-SUBSTITUTION | BIOLOGICAL EVALUATION | EFFICIENT SYNTHESIS | CHEMISTRY, ORGANIC | CONVENIENT | CYCLODEHYDRATION REACTION | DERIVATIVES
Journal Article
ChemBioChem, ISSN 1439-4227, 01/2020, Volume 21, Issue 1-2, pp. 84 - 87
In nature, azolines produced by YcaO cyclodehydratases during the biosynthesis of ribosomally synthesized and post‐translationally modified peptides (RiPPs)... 
peptides | genetic code reprogramming | cyclodehydration | in vitro translation | azolines | CHEMISTRY, MEDICINAL | BIOCHEMISTRY & MOLECULAR BIOLOGY | Genetic code | Residues | Thiazoline | Biosynthesis | Peptides | Chirality
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 02/2017, Volume 58, Issue 5, pp. 442 - 444
[Display omitted] •XtalFluor-E mediates the direct allylation of benzylic alcohols derivatives.•Benzyl alcohols, diarymethanols, and triarylmethanols can be... 
Diarylmethanols | Triarylmethanols | Benzyl alcohols | Diethylaminodifluorosulfinium tetrafluoroborate | Allylation | ACID CATALYST | SUBSTITUTION | CHEMISTRY, ORGANIC | TETRAETHYLAMMONIUM | COMBINATION | ALLYLTRIMETHYLSILANE | CYCLODEHYDRATION AGENT | COUPLING REACTION | EFFICIENT | DERIVATIVES | 2-OXAZOLINES | Alcohols
Journal Article
Arabian Journal of Chemistry, ISSN 1878-5352, 12/2019, Volume 12, Issue 8, pp. 2697 - 2703
Designed as potential cytotoxic agents a series of 6-substituted 2,3-dihydro-1H-pyrrolo[3,2,1-ij]quinoline derivatives were synthesized by using a Bischler... 
Cyclodehydration | Cytotoxicity | Pyrrolo[3,2,1-ij]quinoline | Ultrasound | RECEPTOR | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 11/2016, Volume 81, Issue 22, pp. 10942 - 10954
It is shown by photometric and fluorimetric analysis, along with supporting theoretical calculations, that hydroxy-substituted benzo­[b]­quinolizinium... 
6-HYDROXYQUINOLINE | EXCITED-STATE | FLUORESCENCE | STATE PROTON-TRANSFER | CHEMISTRY, ORGANIC | SYSTEMS | SUPER-PHOTOACIDS | METAL-IONS | DERIVATIVES | AROMATIC CYCLODEHYDRATION | DESIGN STRATEGIES | Usage | Chemical properties | Fluorimetry | Heterocyclic aromatic compounds
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 10/2018, Volume 59, Issue 40, pp. 3612 - 3615
[Display omitted] •1,2,3,4-Tetrahydropyrazino[1,2-a]indole core is featured in many bioactive compounds.•A novel approach to this privileged core is... 
Vicinal coupling constants | Castagnoli-Cushman reaction | Dicarboxylic acids | Acetic anhydride | trans-Diastereoselectivity | In situ cyclodehydration | ANALOGS | CHEMISTRY, ORGANIC | DIVERSITY | Oxalic acid
Journal Article
Tetrahedron, ISSN 0040-4020, 2009, Volume 65, Issue 48, pp. 9989 - 9996
Propylphosphonic anhydride (T3P ®) has been demonstrated to be an efficient and mild reagent for the one-pot synthesis of 1,2,4-oxadiazoles, 1,3,4-oxadiazoles,... 
Cyclodehydration | 1,3,4-Thiadiazole | 1,2,4-Oxadiazole | Diacylhydrazide | Propylphosphonic anhydride | DESIGN | ACID | CHEMISTRY, ORGANIC | CONVENIENT | PARALLEL SYNTHESIS | DERIVATIVES | SOLVENT-FREE SYNTHESIS | Chemical tests and reagents | Organic acids
Journal Article
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