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Aryltrimethylammonium Tetrafluoroborates in Nickel-Catalyzed C–P Bond-Forming Reactions
Pleiades Publishing Ltd - Tập 57 - Trang 954-960 - 2021
Chun Jing Li
The first nickel-catalyzed phosphorylation of aryltrimethylammonium tetrafluoroborates with the formation of C–P bond instead of C–N has been developed. Starting from easily available and inexpensive aromatic amines, a variety of important arylphosphonates have been synthesized in moderate to excellent yields.
Microwave synthesis of secondary phosphines and phosphine oxides from red phosphorus and allyl(methoxy)benzenes in KOH-DMSO
Pleiades Publishing Ltd - Tập 50 - Trang 1438-1442 - 2014
V. A. Kuimov, S. F. Malysheva, A. V. Artem’ev, S. O. Kenzhetaeva, N. A. Belogorlova, T. N. Komarova, N. K. Gusarova, B. A. Trofimov
Bis[1-(methoxyphenyl)propan-2-yl]phosphines and bis[1-(methoxyphenyl)propan-2-yl]phosphine oxides were synthesized by phosphorylation of allyl(methoxy)benzenes in the system red phosphorus-KOH · 0.5 H2O-DMSO under microwave irradiation.
Reaction of tellurium tetrachloride with diallyldimethylsilane
Pleiades Publishing Ltd - Tập 47 - Trang 1896-1897 - 2012
S. V. Amosova, N. A. Makhaeva, A. V. Martynov
Two-step synthesis of β-haloalkanesulfonamides from alkenes
Pleiades Publishing Ltd - Tập 49 - Trang 1828-1830 - 2014
N. V. Zyk, A. Yu. Gavrilova, M. A. Nechaev, O. A. Mukhina, O. B. Bondarenko, N. S. Zefirov
Sự tương tác của 1,5,6,8-tetrahydropyrazolo[3,4-e][1,4]diazepine-4,7-diones với một số tác nhân điện tích dương Dịch bởi AI
Pleiades Publishing Ltd - Tập 52 - Trang 1162-1167 - 2016
S. V. Kemskii, A. V. Bol’but, S. V. Shishkina, D. A. Mel’nik, M. V. Vovk
1,5,6,8-Tetrahydropyrazolo[3,4-e][1,4]diazepine-4,7-diones trải qua phản ứng acyl hóa với anhydride axetic và phản ứng carbamoylation với isocyanate p-toluensulfonyl tại nguyên tử N5. Sự tương tác với thuốc thử Vilsmeier-Haack xảy ra tại nguyên tử N8, sau đó dẫn đến việc mở vòng diazepine và tạo ra các dẫn xuất 2-(1Н-pyrazol-4-yl)-1,3-oxazol-5(4Н)-one.
#tetrahydropyrazolo; diazepine; acylation; carbamoylation; electrophilic reagents; Vilsmeier-Haack
Self-Catalyzed One-Pot Four-Component Green Synthesis of 2-Amino-6-[1,4-dioxo-3,4-dihydrophthalazin-2(1H)-yl]-4-phenyl-4H-pyran-3,5-dicarbonitriles
Pleiades Publishing Ltd - - 2019
Paduri Karunakar, Chebolu Naga Sesha Sai Pavan Kumar
Stereochemistry of dihydroxylation of N-arylbicyclo[2.2.1]-hept-5-ene-endo- and -exo-2,3-dicarboximides
Pleiades Publishing Ltd - Tập 43 - Trang 1635-1641 - 2007
B. T. Bagmanov
Stereochemistry of the oxidation of N-arylbicyclo[2.2.1]hept-5-ene-endo-and-exo-2,3-dicarboximides at the double bond with peroxyacetic acid generated in situ in the presence of sulfuric acid and with an anhydrous dioxane solution of peroxyacetic acid was studied. In both cases, the reaction was stereospecific, regardless of the substituent in the N-aryl group and configuration of the imide ring, ...... hiện toàn bộ
Synthesis of N-(oxyran-2-ylmethyl)triazoles and -tetrazoles
Pleiades Publishing Ltd - Tập 51 - Trang 1308-1312 - 2015
T. V. Golobokova, A. G. Proidakov, L. I. Vereshchagin, V. N. Kizhnyaev
The alkylation of 5-phenyl-1H-tetrazole and 4-nitro-2H-1,2,3-triazole with 1-chloro-2,3-epoxypropane and cycloaddition of 1-azido-3-chloropropan-2-ol to acetylenic dipolarophiles gave the corresponding N-(3-chloro-2-hydroxypropyl)azoles as intermediate products in the synthesis of N-(oxiran-2-ylmethyl)azoles.
Solvent Effects in the Electrophilic Amination of Mesitylene with the System NaN3-AlCl3-HCl
Pleiades Publishing Ltd - Tập 39 - Trang 747-749 - 2003
G. I. Borodkin, S. A. Popov, L. M. Pokrovskii, V. G. Shubin
Azirinium ylides from alkoxycarbonylcarbenoids and 2H-azirines: Generation and transformations
Pleiades Publishing Ltd - Tập 42 - Trang 515-526 - 2006
A. F. Khlebnikov, M. S. Novikov, A. A. Amer, R. R. Kostikov, J. Magull, D. Vidovic
Dirhodium tetraacetate-catalyzed decomposition of diazo esters in the presence of 3-aryl-2H-azirines having no substituent in the 2-position gives rise to azirinium ylides which then undergo isomerization into 2-azabuta-1,3-diene derivatives or (in the presence of excess diazo ester) react with the corresponding rhodium carbenoid to form substituted 3,4-dihydro-2H-pyrroles. 2-Mono-and 2,2-disubsti...... hiện toàn bộ
Tổng số: 4,985   
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