Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Acetonitrile oxide"'
Publikováno v:
Canadian Journal of Chemistry. 92:1053-1058
1,3-Dipolar cycloadditions of unsymmetrical C1-substituted 7-oxabenzonorbornadienes with acetonitrile oxide and benzonitrile oxide were investigated to probe the regio- and stereoselectivities of these reactions. All novel oxabicycle-fused isoxazolin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbf4e2cd3b1ae5a48d1382b7bc9f2b65
https://doi.org/10.1139/cjc-2014-0274
https://doi.org/10.1139/cjc-2014-0274
Autor:
Luis R. Domingo, Mar Ríos-Gutiérrez, Ibrahim Mbouombouo Ndassa, J. Ketcha Mbadcam, Abel Idrice Adjieufack
Publikováno v:
Journal of Physical Organic Chemistry. 30:e3710
A Molecular Electron Density Theory study of the zw-type 32CA reactions of acetonitrile oxide (NO) with two 7-oxanorborn-5-en-2-ones (ONBs) has been performed at the DFT B3LYP/6-31G(d) computational level. These cycloadditions proceed through one-ste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67855f54e39ffede63156a853264f195
https://doi.org/10.1002/poc.3710
https://doi.org/10.1002/poc.3710
Publikováno v:
Russian Journal of Organic Chemistry. 37:230-234
1,3-Dipolar addition of acetonitrile oxide to 20α-methyl-22-hydroxy-23-ene-steroids and acetoxy derivatives thereof was investigated. The reaction is stereoselective and affords as the main product 5'S-epimer resulting from syn-addition both in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b856d29512e15f12cccc2aa60b202adb
https://doi.org/10.1023/a:1012378929212
https://doi.org/10.1023/a:1012378929212
Publikováno v:
Chemistry of Heterocyclic Compounds. 37:1185-1198
The results of X-ray diffraction studies on molecular packing of tert-butyl-, trimethylsilyl-, and trimethylgermylthiophene 1,1-dioxides have been reviewed and analyzed. We also interpret their experimental and calculated UV spectra. Using quantum ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f76441362b64b0690c8dcd8c59d7474
https://doi.org/10.1023/a:1013892423667
https://doi.org/10.1023/a:1013892423667
Publikováno v:
Journal of Organometallic Chemistry. 586:200-207
Silylsubstituted tetrahydrofuro-[2,3- d ]-isoxazoles were prepared by the [2+3] cycloaddition of nitrile oxides to 5-(2,3-dihydrofuryl)silanes. Compounds with two condensed bicycles at the silicon atom: bis[6a-(3-methyl-3a,4,5,6a-tetrahydrofuro-[2,3-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a46e87b5fe6617b833f86725d533b6a
https://doi.org/10.1016/s0022-328x(99)00266-1
https://doi.org/10.1016/s0022-328x(99)00266-1
Autor:
Ponmalai Kolandaivel, S. Arulmozhiraja
Publikováno v:
Journal of Molecular Structure: THEOCHEM. 429:165-173
An ab initio quantum chemical study of the five possible isomers, trans- and cis-conformations of nitrosoethylene, 4H-1,2-oxazete, 2H-1 azirine 1-oxide and acetonitrile oxide, of C2H3NO is reported. Molecular geometries and energies have been obtaine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad87086e55271717d0b04083a3f1fba2
https://doi.org/10.1016/s0166-1280(97)00361-8
https://doi.org/10.1016/s0166-1280(97)00361-8
Autor:
Arthur Strauss, Hans-Hartwig Otto
Publikováno v:
Helvetica Chimica Acta. 80:1823-1830
Substituted dihydropyrazole-spiro-β-lactams and isoxazolidine-spiro-β-lactam derivatives are regio- and stereoselectively prepared by 1, 3-cydoadditions between substituted α-methylidene-β-lactams and diazomethane, nitrones, or the in-situ-prepar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::836aac821e6fe2fe0ce28e371d66305e
https://doi.org/10.1002/hlca.19970800606
https://doi.org/10.1002/hlca.19970800606
Autor:
Halina A. Zhylitskaya, Alexander V. Baranovsky, Pavel Drašar, Václav Eigner, Bohumil Kratochvíl, Raisa P. Litvinovskaya, Vladimir A. Khripach
Publikováno v:
Steroids. 78(9)
1,3-Dipolar cycloaddition reaction of acetonitrile oxide to cis- and trans-22-hydroxy-24-alkoxycarbonyl-Δ23-steroids is investigated. An unusual stereochemical course of the cycloaddition, leading to the same set of the isoxazoline adducts for both
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a159dcac79f83fde06057056e9f5832
https://pubmed.ncbi.nlm.nih.gov/23664846
https://pubmed.ncbi.nlm.nih.gov/23664846
Publikováno v:
Chemistry of Heterocyclic Compounds. 30:1101-1105
A semiempirical MNDO calculation was carried out for the singlet potential energy surface for the dimerization of acetonitrile oxide leading to dimethylfuroxane. The dimerization of nitrile oxides proceeds by a two-step mechanism. The rate-limiting s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c3e99eaf1ffb2734f6f084a2e5ee6fb
https://doi.org/10.1007/bf01171174
https://doi.org/10.1007/bf01171174
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cee48eebaa15b5ea2667c6538aee29ff
https://doi.org/10.1002/chin.199111065
https://doi.org/10.1002/chin.199111065