Keywords: گسترش حلقه; Oxabenzonorbornadiene; Ring expansion; Cyclopropanation; Nucleophilic ring opening reaction; Acid catalysis;
مقالات ISI گسترش حلقه (ترجمه نشده)
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Keywords: گسترش حلقه; Benzocyclooctene; Cope rearrangement; Cyclobutane; Ring expansion; Parvifoline;
Keywords: گسترش حلقه; Acyloxy nitroso compounds; Cyclic hydroxamic acids; Ring expansion; Organic phosphines; HNO donors;
Keywords: گسترش حلقه; Dynamic multiple necking; Plastic flow instability; Ring expansion; Probability density function; Distribution of pre-neck spacing;
Microwave-assisted copper-catalyzed stereoselective ring expansion of three-membered heterocycles with α-diazo-β-dicarbonyl compounds
Keywords: گسترش حلقه; Diazo compound; Oxarine; Thiirane; 1,4-Dioxine; 1,4-Oxathiine; Ring expansion; Copper catalyst; SAHBTBLQJGIHPX-JTQLQIEISA-N; QOAHRQJYDHAFPK-UHFFFAOYSA-N; PSINDLUNOGABJV-UHFFFAOYSA-N; MELPJGOMEMRMPL-OCAPTIKFSA-N; GYDYAIFGNFSDAP-UHFFFAOYSA-N; JGBXMBJOUVFMEK
Synthesis of 3-acyl-5,6-dihydro-1,4-oxathiines through ring expansion of thiiranes
Keywords: گسترش حلقه; PUXZQTPYVOMPOF-AWEZNQCLSA-N; ADYJSKBHIIRBKZ-NXEZZACHSA-N; PXCSCWLEZDNFJV-RKDXNWHRSA-N; NIQNAZSLMAPHTL-ZIAGYGMSSA-N; CJANVOCPBRWWRZ-ZYHUDNBSSA-N; AVHMNXCKSIYSSG-MWLCHTKSSA-N; QXJCAKJBNZPDHU-NXEZZACHSA-N; QKKNPLAVKGCILQ-ZIAGYGMSSA-N; SAHBTBLQJGIHPX-JTQLQIEI
Visible light triggered regioselective ring expansion of N-tosylaziridines: An efficient approach to 2-nitroazetidines
Keywords: گسترش حلقه; Visible light; N-Tosylaziridines; Bromonitroalkanes; 2-Nitroazetidines; Photoredox catalysis; Ring expansion;
Synthesis and structural analysis of 3-phenylethyl-2,4(1H,3H)-quinazolinediones
Keywords: گسترش حلقه; Ring expansion; Oxidative cleavage; Isatin; Quinazolinedione; Schiff base;
A heterogeneous gold(I)-catalyzed ring expansion of unactivated alkynylcyclopropanes with sulfonamides leading to (E)-2-alkylidenecyclobutanamines
Keywords: گسترش حلقه; Gold; Ring expansion; Four-membered carbocycle; Magnetic nanoparticle; Heterogeneous catalysis;
Copper and silicon mediated, HMPA-free, n+3 ring expansions for the construction of medium sized lactones and lactams: short synthesis of (+)-cis-lauthisan
Keywords: گسترش حلقه; Medium sized lactones; Ketone enolates; Epoxide ring opening; Ring expansion; Total synthesis;
Polyfunctional 4-quinolinones. Synthesis of 2-substituted 3-hydroxy-4-oxo-1,4-dihydroquinolines
Keywords: گسترش حلقه; KOPSWXCGBMDQDZ-UHFFFAOYSA-N; KIWDQJNHRZVVMH-UHFFFAOYSA-N; RVRBYEGYDGRFIH-UHFFFAOYSA-N; HZFPMNQNQRCLTI-UHFFFAOYSA-N; ZKSNYCBPPBROIR-UHFFFAOYSA-N; RMMOAFATEKZXDF-UHFFFAOYSA-N; NWIHQXFHXIRMEP-UHFFFAOYSA-N; QCBKAAARLMCTMK-UHFFFAOYSA-N; IMJUQGBCDIGUOM-UHFFFAOY
Temperature dependence of turnover in a Sc(OTf)3-catalyzed intramolecular Schmidt reaction
Keywords: گسترش حلقه; Intramolecular Schmidt reaction; Turnover; Ring expansion; Polycyclic lactams; Scandium triflate catalysis;
Synthesis and biological evaluation of ring A and/or C expansion and opening echinocystic acid derivatives for anti-HCV entry inhibitors
Keywords: گسترش حلقه; Echinocystic acid; Ring expansion; Ring opening; HCV entry inhibitor
Nucleophile-dependent diastereoselectivity in the ring expansion of pyrimidines to give 1,3-diazepines
Keywords: گسترش حلقه; AYCLUBAZQDUHQB-UHFFFAOYSA-N; KAJHXWCHNMJZRT-UHFFFAOYSA-N; WBDMQGHPSAROIX-UHFFFAOYSA-N; KRWNLCNQXGFGBN-UHFFFAOYSA-N; LINSZGLAMACEPZ-UHFFFAOYSA-N; WLKCYJRIHNFHDS-UHFFFAOYSA-N; MKKNZNSCLVCWAK-NHYWBVRUSA-N; HLLFSYKBXHLCAF-MFKMUULPSA-N; IJOABBCALHWVIK-HZMBPMFU
Scandium(III) triflate mediated intramolecular ring expansion of aziridines: a direct access to 4-aryltetrahydroisoquinolines
Keywords: گسترش حلقه; Intramolecular; Ring expansion; Aziridine; Tetrahydroisoquinoline; Scandium(III) triflate;
Exclusive ring opening of gem-dihalo-1,2-cyclopropanated oxyglycal to oxepines in AgOAc
Keywords: گسترش حلقه; Cyclopropanes; Glycals; Oxepines; Oxyglycals; Ring expansion; Septanosides
Acid-catalyzed reaction of 3-aminopyrrole with s-tetrazines: formation of 1H-1,2,4-(triazol-3-yl)pyrimidines via an unprecedented s-tetrazine-ring contraction and concomitant pyrrole-ring expansion
Keywords: گسترش حلقه; Aminopyrroles; Tetrazines; Rearrangements; Ring contraction; Ring expansion;
Ru(II)-catalyzed ring expansion of alkynylcyclopropanes in the presence of sulfonamides
Keywords: گسترش حلقه; Transition metal; Ruthenium; Catalysis; Ring expansion; Sulfonamide
On the complete extinction of selected imperfection wavelengths in dynamically expanded ductile rings
Keywords: گسترش حلقه; Ring expansion; Dynamic necking; Inertia; Stress multiaxiality; Numerical simulations; Stability analysis
Gold-catalyzed ring expansions of 1-alkynylcyclobutanol derivatives via tandem hydration and α-ketol rearrangement
Keywords: گسترش حلقه; Gold catalysis; α-Ketol rearrangement; Ring expansion; Tandem reaction; α-Hydroxycyclopentanone;
Synthesis of [1,2,4]-triazolo-annulated 3-aza-A-homocholestanes—A novel class of pentacyclic compounds
Keywords: گسترش حلقه; 5α-Cholestan-3-one; 3-Aza-A-homocholestanes; 1,3-Dipolar cycloaddition; Ring expansion
On the interplay between strain rate and strain rate sensitivity on flow localization in the dynamic expansion of ductile rings
Keywords: گسترش حلقه; Strain rate; Strain rate sensitivity; Flow localization; Stability analysis; Ring expansion
Synthesis and reactivity of non-activated 2-(chloromethyl)aziridines
Keywords: گسترش حلقه; Aziridines; Azetidines; Ring expansion; Imines; Selectivity;
The dramatic effect of thiophenol on the reaction pathway of ethyl 4-chloromethyl-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate with thiophenolates: ring expansion versus nucleophilic substitution
Keywords: گسترش حلقه; 1,2,3,4-Tetrahydropyrimidin-2-ones; 2,3,4,5-Tetrahydro-1H-1,3-diazepin-2-ones; Ring expansion; Nucleophilic substitution;
Selective reaction of camphor-derived exo-formyl [2.2.1]bicyclic carbinol with alkyl primary amines: application to the preparation of new chiral catalysts for asymmetric reduction of aryl ketones
Keywords: گسترش حلقه; Ring expansion; Bicyclic amino ketone; Chiral catalyst; Asymmetric reduction of ketone;
Ring expansion of a Cp moiety upon CO insertion: Synthesis and characterization of [(η6-C6H5OCo)Co3(CO)9]
Keywords: گسترش حلقه; Vanadaborane; Co2(CO)8; Ring expansion; CO insertion
Iodine(III)-mediated ring expansion: an efficient and green pathway in the synthesis of a key precursor for the design of aminopeptidase (APN or CD13) inhibitors
Keywords: گسترش حلقه; Aminopeptidase; Hypervalent iodine chemistry; Ring expansion; APN or CD13 inhibitors;
Tandem transformations of tetrahydrobenzothieno[2,3-c]pyridines in the presence of activated alkynes
Keywords: گسترش حلقه; Domino reactions; Spiroannulation; Ring expansion; Thienopyridine; Recyclization; DDXBELQISMWKGI-ZHZULCJRSA-N; WRCOVLRRCDQWEU-NBVRZTHBSA-N; FQOWLSOCCFYLIQ-BKUYFWCQSA-N; AAZHAFHMAIKHOE-QGOAFFKASA-N; GVFUWPUNZZVOTH-WYMLVPIESA-N; QJMHAGKQHAUHBA-ZHZULCJRSA-N;
Routes to HIV-integrase inhibitors: efficient synthesis of bicyclic pyrimidones by ring expansion or amination at a benzylic position
Keywords: گسترش حلقه; Aziridinium; Ring expansion; Pyrimidohexahydrodiazepines; DDQ;
Ring expansion of 2-chloromethyl pyrrolidine or azetidine: Compared theoretical investigation
Keywords: گسترش حلقه; Azetidines; Pyrrolidines; Azetidinium ions; Ring expansion;
Ring expansion reaction of α-sulfonyl cyclic ketones via insertion of arynes into C-C: a facile and mild access to medium- and large-sized benzannulated carbocycles
Keywords: گسترش حلقه; Ring expansion; Aryne; Insertion; Large-sized carbocycle; Desulfonylation;
Insertion of alkynes into the heterocycle of (η5-pentaalkyl-2,3-dihydro-1,3-diborolyl)(η5-pentamethylcyclopentadienyl)ruthenium: Formation and characterization of 4-borataborepine ruthenium complexes
Keywords: گسترش حلقه; Boron; Heterocycle; Ring expansion; Ruthenium; Sandwich complexes;
4-Halo-1,3-oxazoles: Unambiguous structural assignment of 2-halo-2-benzoyl-2H-azirine-3-carboxylates thermal ring expansion products
Keywords: گسترش حلقه; Ring expansion; Matrix isolation FTIR spectroscopy; 2H-Azirines; 1,3-Oxazoles; Isoxazoles
Unimolecular dissociation of aniline molecular ion: A theoretical study
Keywords: گسترش حلقه; DFT calculation; RRKM calculation; Ring contraction; Ring expansion;
General approach to 6-tosyl-2,3,4,5-tetrahydro-1H-1,3-diazepin-2-ones via nucleophile-mediated ring expansion of tetrahydropyrimidines
Keywords: گسترش حلقه; 1,2,3,4-Tetrahydropyrimidin-2-ones; 2,3,4,5-Tetrahydro-1H-1,3-diazepin-2-ones; Ring expansion;
A new route to thiopyran S,S-dioxide derivatives via an overall ring-enlargement protocol from 3-nitrothiophene
Keywords: گسترش حلقه; 3-Nitrothiophene; Ring-opening/ring-closing reactions; Ring-enlargement protocol; Sulfur heterocycles; Ring expansion; Thiopyran S,S-dioxides;
Regio- and stereoselective rearrangements of formyl [2.2.1]bicyclic carbinols in methanol
Keywords: گسترش حلقه; Ring expansion; Selective rearrangement; Bicyclic hydroxy ketones; Bicyclic dimer;
Expansion of the pentafluorobenzene ring of perfluoro-1,2-diethyl-1-phenylbenzocyclobutene under the action of SbF5
Keywords: گسترش حلقه; Fluorinated; Benzocyclobutene; Ring expansion; Antimony pentafluoride;
Reduction of 5-(bromomethyl)-1-pyrrolinium bromides to 2-(bromomethyl)pyrrolidines and their transformation into piperidin-3-ones through an unprecedented ring expansion-oxidation protocol
Keywords: گسترش حلقه; 1-Pyrrolinium salts; Piperidin-3-ones; 3-Hydroxypiperidines; Ring expansion;
Iodocyclization/base-induced hydrodeiodination reaction of 5-substituted 4-alkenols. The influence of substituent on the stereoselective pathway
Keywords: گسترش حلقه; β-Iodoethers; Enolethers; 2-Alkylidentetrahydrofurans; Ring expansion;
Heavy cyclopropene analogues R4SiGe2 and R4Ge3 (R = SiMetBu2) – New members of the cyclic digermenes family
Keywords: گسترش حلقه; Digermene; Trigermirene; Siladigermirene; Small ring; Ring expansion; X-ray crystallographic analysis
Two-carbon ring expansion of cyclobutanone skeletons by nickel-catalyzed intermolecular alkyne insertion
Keywords: گسترش حلقه; Alkyne; β-Carbon elimination; Cyclobutanone; Nickel; Oxidative cyclization; Ring expansion;
Ring expansion of 11H-benzo[b]fluorene-11-methanols and related compounds leading to 17,18-diphenyldibenzo[a,o]pentaphene and related polycyclic aromatic hydrocarbons with extended conjugation and novel architectures
Keywords: گسترش حلقه; 9-Fluorenylmethanols; Wagner-Meerwein rearrangement; Ring expansion; 17,18-Diphenyldibenzo[a,o]pentaphene; Polycyclic aromatic hydrocarbons;
Grignard reagent-promoted selective ring expansion and alkylation of formyl borneol and isoborneol: a new route to highly substituted cyclopentanes
Keywords: گسترش حلقه; Ring expansion; Borneols; Grignard reagents;
Stereoselective synthesis of the octahydroisobenzofuran skeleton of the eunicellins
Keywords: گسترش حلقه; Eunicellin; Allylsiloxane; Cyclopropane; Ring expansion;
A novel synthesis of bicyclo[3.3.0]oct-1-en-3-ones from cyclobutanones through [chloro(p-tolylsulfinyl)methylidene]cyclobutanes with ring expansion
Keywords: گسترش حلقه; Cyclobutanone; Sulfoxide; Ring expansion; Bicyclo[3.3.0]octane; Bicyclo[3.3.0]oct-1-en-3-one;
Conversion of 1,3-oxathiolanes to 1,4-oxathianes using a silylated diazoester
Keywords: گسترش حلقه; Ring expansion; Heterocycles; Sulfur ylides; Diazo compounds; Silicon;
Synthesis of 2-aryl-4-chloropyrroles via ring expansion of 2-aryl-1-chlorocyclopropanecarbaldehydes
Keywords: گسترش حلقه; Ring expansion; Pyrroles; Cyclopropanes;