Works matching DE "POLYPHOSPHORIC acid"

Results: 233

High surface area benzimidazole based porous covalent organic framework for removal of methylene blue from aqueous solutions.

Published in:

Polymer International, 2020, v. 69, n. 8, p. 712, doi. 10.1002/pi.6007

By:

Rahmanian, Omid;
Falsafin, Molood;
Dinari, Mohammad

Publication type:

Article

Photocatalytic degradation of organic dyes by a donor–acceptor type conjugated polymer: poly(thiophene‐1,3,4‐oxadiazole) and its photocatalytic mechanism.

Published in:

Polymer International, 2018, v. 67, n. 9, p. 1282, doi. 10.1002/pi.5652

By:

Yang, Xiao;
Duan, Lian;
Ran, Xiaoqi

Publication type:

Article

NiFe2O4@SiO2–PPA Nanoparticle: A Green Nanocatalyst for the Synthesis of β-Acetamido Ketones.

Published in:

Polycyclic Aromatic Compounds, 2019, v. 39, n. 5, p. 404, doi. 10.1080/10406638.2017.1335218

By:

Khojastehnezhad, Amir;
Moeinpour, Farid;
Javid, Ali

Publication type:

Article

Synthesis of Polycyclic-fused Heterocycles Combining Both Quinoline Ring and Benzoxepine Framework in A Single Molecule.

Published in:

Polycyclic Aromatic Compounds, 2012, v. 32, n. 4, p. 469, doi. 10.1080/10406638.2012.663450

By:

LI, YANG;
LIN, GUIHAI;
GAO, WENTAO

Publication type:

Article

Coagulation Condition Effects on the Structures and Properties of Dihydroxy Poly(P-phenylene Benzobisoxazole) (DHPBO) Nascent Fibers Prepared by Dry-Jet Wet-Spinning Process.

Published in:

Journal of Macromolecular Science: Physics, 2010, v. 49, n. 3, p. 487, doi. 10.1080/00222341003595345

By:

Zhang, Tao;
Jin, Junhong;
Yang, Shenglin;
Li, Guang;
Jiang, Jianming

Publication type:

Article

Polyphosphoric acid treatment promotes bone regeneration around titanium implants.

Published in:

Journal of Oral Rehabilitation, 2009, v. 36, n. 5, p. 362, doi. 10.1111/j.1365-2842.2008.01928.x

By:

MAEKAWA, K.;
SHIMONO, K.;
OSHIMA, M.;
YOSHIDA, Y.;
VAN MEERBEEK, B.;
SUZUKI, K.;
KUBOKI, T.

Publication type:

Article

Nanomagnetically modified polyphosphoric acid (NiFeO@SiO-PPA): an efficient, fast, and reusable catalyst for the synthesis of 2-thioxoquinazolinones under solvent-free conditions.

Published in:

Research on Chemical Intermediates, 2015, v. 41, n. 10, p. 7915, doi. 10.1007/s11164-014-1866-4

By:

Eshghi, Hossein;
Khojastehnezhad, Amir;
Moeinpour, Farid;
Bakavoli, Mehdi;
Zeinabi, Nafiseh;
Allameh, Sadegh

Publication type:

Article

PPA-SiO catalyzed solvent-free synthesis of some novel 4,6-diaryl-2,3a,4,5-tetrahydro-3 H-indazol-3-ones from 3,5-diaryl-6-carbethoxy cyclohexenones.

Published in:

Research on Chemical Intermediates, 2015, v. 41, n. 6, p. 3433, doi. 10.1007/s11164-013-1446-z

By:

Ameta, K.

Publication type:

Article

Synthesis and photooxygenation of angular furocoumarins: isopsedopsoralen and allopsoralen.

Published in:

Research on Chemical Intermediates, 2015, v. 41, n. 3, p. 1591, doi. 10.1007/s11164-013-1295-9

By:

El-Gogary, Sameh;
Hashem, Neveen;
Khodeir, Mohamed

Publication type:

Article

Different synthetic routes to 4-(1 H-benzo[ d]imidazol-2-yl)aniline.

Published in:

Research on Chemical Intermediates, 2013, v. 39, n. 7, p. 2917, doi. 10.1007/s11164-012-0843-z

By:

Khattab, Muhammad;
Galal, Shadia;
Ragab, Fatma;
El Diwani, Hoda

Publication type:

Article

A rapid synthetic method of pyridobenzodiazepines.

Published in:

Research on Chemical Intermediates, 2010, v. 36, n. 3, p. 253, doi. 10.1007/s11164-010-0135-4

By:

Fuqiang Shi;
Xu Bai;
Qun Dang;
Long Zhang

Publication type:

Article

Synthesis and dehydration reaction of 1-(4-benzyloxyphenyl)-6-methoxy-2-phenyl-1,2,3,4-tetrahydronaphth-2-ol: possible intermediate of Lasofoxifene.

Published in:

Research on Chemical Intermediates, 2009, v. 35, n. 5, p. 615, doi. 10.1007/s11164-009-0062-4

By:

Hejtmánková, Ludmila;
Jirman, Josef;
Sedlák, Miloš

Publication type:

Article

Polyphosphoric acid supported on Ni0.5Zn0.5Fe2O4 nanoparticles as a magnetically-recoverable green catalyst for the synthesis of pyranopyrazoles.

Published in:

Arabian Journal of Chemistry, 2017, v. 10, p. S3468, doi. 10.1016/j.arabjc.2014.02.009

By:

Moeinpour, Farid;
Khojastehnezhad, Amir

Publication type:

Article

Formation of phenylacetic acid and phenylpropionic acid under different overload conditions during mesophilic and thermophilic anaerobic digestion.

Published in:

Biotechnology for Biofuels, 2019, v. 12, n. 1, p. N.PAG, doi. 10.1186/s13068-019-1370-6

By:

Wagner, Andreas Otto;
Prem, Eva Maria;
Markt, Rudolf;
Kaufmann, Rüdiger;
Illmer, Paul

Publication type:

Article

Simple and Efficient Synthesis of 2-Oxo-2H-Pyrido[1,2-a]Pyrimidin-3(4H)-Ylidene)Acetic Acid and Its.

Published in:

Journal of Heterocyclic Chemistry, 2016, v. 53, n. 3, p. 882, doi. 10.1002/jhet.2361

By:

Venugopal, Sharulatha;
Sundaram, Sivakamasundari

Publication type:

Article

Synthesis and.

Published in:

Journal of Heterocyclic Chemistry, 2015, v. 52, n. 2, p. 506, doi. 10.1002/jhet.2084

By:

Elgogary, Sameh Ramadan;
Hashem, Neveen Mohamed;
Khodeir, Mohamed Nabeel

Publication type:

Article

New Synthesis of Diazepino[3,2,1- ij]quinoline and Pyrido[1,2,3- de]quinoxalines via.

Published in:

Journal of Heterocyclic Chemistry, 2014, v. 51, n. 1, p. 101, doi. 10.1002/jhet.1594

By:

Baraldi, Pier Giovanni;
Ruggiero, Emanuela;
Tabrizi, Mojgan Aghazadeh

Publication type:

Article

Synthesis and Evaluation of Bioactivity of Thiazolo[3,2- b]-[1,2,4]-triazoles and Isomeric Thiazolo[2,3- c]-[1,2,4]-triazoles.

Published in:

Journal of Heterocyclic Chemistry, 2013, v. 50, n. 5, p. 1223, doi. 10.1002/jhet.1600

By:

Kumar, P.;
Kumar, A.;
Makrandi, J. K.

Publication type:

Article

Cycloaromatization Reaction of 4-Alkoxy-1,1,1-trifluoroalk-3-en-2-ones with 2,6-Diaminotoluene: The Unexpected Regioselective Synthesis of 2,4,7,8-Tetrasubstituted Quinolines.

Published in:

Journal of Heterocyclic Chemistry, 2013, v. 50, p. E193, doi. 10.1002/jhet.1552

By:

Bonacorso, Helio G.;
Andrighetto, Rosália;
Krüger, Nícolas;
Navarini, Jussara;
Flores, Alex F. C.;
Martins, Marcos A. P.;
Zanatta, Nilo

Publication type:

Article

2-amino-X-nitrobenzimidazoles as precursors of food-borne carcinogens: A new approach to IQ synthesis.

Published in:

Journal of Heterocyclic Chemistry, 2012, v. 49, n. 2, p. 293, doi. 10.1002/jhet.786

By:

Bella, Maroš;
Milata, Viktor;
Larina, Lyudmila I.

Publication type:

Article

Efficient chemoselective alkylation of quinoline 2,4-diol derivatives in water.

Published in:

Journal of Heterocyclic Chemistry, 2011, v. 48, n. 1, p. 237, doi. 10.1002/jhet.364

By:

Ahmed, Nafees;
Brahmbhatt, Keyur G.;
Singh, Inder P.;
Bhutani, Kamlesh K.

Publication type:

Article

Synthesis of 2-( N-benzylpyrrolyl)-benzimidazoles using polyphosphoric acid prompted cyclocondensation.

Published in:

Journal of Heterocyclic Chemistry, 2010, v. 47, n. 6, p. 1367, doi. 10.1002/jhet.480

By:

Mochona, Bereket;
Le, Laine;
Gangapuram, Madhavi;
Mateeva, Nelly;
Ardley, Tiffany;
Redda, Kinfe K.

Publication type:

Article

Synthetic strategies in the construction of chromones.

Published in:

Journal of Heterocyclic Chemistry, 2010, v. 47, n. 4, p. 785, doi. 10.1002/jhet.393

By:

Nian-Guang Li;
Zhi-Hao Shi;
Yu-Ping Tang;
Hong-Yue Ma;
Jian-Ping Yang;
Bao-Quan Li;
Zhen-Jiang Wang;
Shu-Lin Song;
Jin-Ao Duan

Publication type:

Article

On the Biochemistry and Biophysics of Living Cell Formation.

Published in:

Cell Biochemistry & Biophysics, 2023, v. 81, n. 2, p. 243, doi. 10.1007/s12013-023-01130-7

By:

Robertson, D. S.

Publication type:

Article

Synthesis and characterization of novel fluorinated polybenzoxazoles derived from 2,5-difluoroterephthalic acid.

Published in:

e-Polymers, 2009, p. 1

By:

Xiao-Song Huang;
Feng-Ling Qing

Publication type:

Article

The effect of PPA on performances and structures of high-viscosity modified asphalt.

Published in:

Journal of Thermal Analysis & Calorimetry, 2018, v. 134, n. 3, p. 1729, doi. 10.1007/s10973-018-7740-7

By:

Zhang, Feng;
Hu, Changbin;
Zhang, Yu

Publication type:

Article

Influence of aging on thermal behavior and characterization of SBR compound-modified asphalt.

Published in:

Journal of Thermal Analysis & Calorimetry, 2014, v. 115, n. 2, p. 1211, doi. 10.1007/s10973-013-3338-2

By:

Zhang, Feng;
Hu, Changbin

Publication type:

Article

In‐situ synthesis and adhesion method to prepare phosphorous–nitrogen compounds flame‐retardant wood pulp paper with high efficiency and durability.

Published in:

Fire & Materials, 2021, v. 45, n. 2, p. 308, doi. 10.1002/fam.2941

By:

Zhang, Yaowen;
Bao, Qiuru;
Liu, Yuan;
Wen, Hui;
Wang, Qi

Publication type:

Article

Synthesis and application of a sulfur-containing phosphoric amide flame retardant for nylon fabric.

Published in:

Fire & Materials, 2016, v. 40, n. 7, p. 959, doi. 10.1002/fam.2354

By:

Chen, Yingchun;
Sun, Bing;
Zhang, Haixi;
Zhou, Xiangdong

Publication type:

Article

Hydrogen Bond Assisted Three-Component Tandem Reactions to Access N -Alkyl-4-Quinolones.

Published in:

Molecules, 2023, v. 28, n. 5, p. 2304, doi. 10.3390/molecules28052304

By:

Liu, Huanhuan;
Liu, Huadan;
Wang, Enhua;
Li, Liangqun;
Luo, Zhongsheng;
Cao, Jiafu;
Chen, Jialin;
Yang, Lishou;
Yang, Xiaosheng

Publication type:

Article

Electrophilically Activated Nitroalkanes in Double Annulation of [1,2,4]Triazolo[4,3- a ]quinolines and 1,3,4-Oxadiazole Rings.

Published in:

Molecules, 2021, v. 26, n. 18, p. 5692, doi. 10.3390/molecules26185692

By:

Aksenov, Alexander V.;
Kirilov, Nikita K.;
Aksenov, Nicolai A.;
Aksenov, Dmitrii A.;
Sorokina, Elena A.;
Lower, Carolyn;
Rubin, Michael

Publication type:

Article

Electrophilically Activated Nitroalkanes in Synthesis of 3,4-Dihydroquinozalines.

Published in:

Molecules, 2021, v. 26, n. 14, p. 4274, doi. 10.3390/molecules26144274

By:

Aksenov, Alexander V.;
Grishin, Igor Yu.;
Aksenov, Nicolai A.;
Malyuga, Vladimir V.;
Aksenov, Dmitrii A.;
Nobi, Mezvah A.;
Rubin, Michael

Publication type:

Article

Synthesis and Cytotoxic Activity Study of Novel 2-(Aryldiazenyl)-3-methyl-1 H -benzo[ g ]indole Derivatives.

Published in:

Molecules, 2021, v. 26, n. 14, p. 4240, doi. 10.3390/molecules26144240

By:

Arafeh, Manar M.;
Moghadam, Ebrahim Saeedian;
Adham, Sirin A. I.;
Stoll, Raphael;
Abdel-Jalil, Raid J.

Publication type:

Article

Silica-Supported Polyphosphoric Acid in the Synthesis of 4-Substituted Tetrahydroisoquinoline Derivatives.

Published in:

Molecules, 2013, v. 18, n. 2, p. 1869, doi. 10.3390/molecules18021869

By:

Manolov, Stanimir;
Nikolova, Stoyanka;
Ivanov, Iliyan

Publication type:

Article

Microwave Assisted Synthesis and Unusual Coupling of Some Novel Pyrido[3,2-f][1,4]thiazepines.

Published in:

Molecules, 2011, v. 16, n. 6, p. 4549, doi. 10.3390/molecules16064549

By:

Faty, Rasha M.;
Youssef, Mohamed M.;
Youssef, Ayman M. S.

Publication type:

Article

Synthesis of podands with dihydropyrimidine fragments based on polyethers with terminal acetoacetamide groups.

Published in:

Chemistry of Heterocyclic Compounds, 2015, v. 51, n. 5, p. 478, doi. 10.1007/s10593-015-1723-4

By:

Radionova, Elena;
Fedorova, Olga;
Titova, Yulia;
Rusinov, Gennady;
Charushin, Valery

Publication type:

Article

The Fischer Reaction in the Synthesis of 2,3-Disubstituted 7-Azaindoles*.

Published in:

Chemistry of Heterocyclic Compounds, 2014, v. 50, n. 9, p. 1305, doi. 10.1007/s10593-014-1593-1

By:

Alekseyev, R.;
Amirova, S.;
Kabanova, E.;
Terenin, V.

Publication type:

Article

Studies of Imidazo[1,2-a]Benzimidazoles 31*. Synthesis of 3-(9H-Imidazo[1,2-a]Benz-Imidazol-3-yl)Acrylic Acids.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 9, p. 1285, doi. 10.1007/s10593-013-1377-z

By:

Anisimova, V. A.;
Tolpygin, I. E.;
Borodkin, G. S.

Publication type:

Article

1,3,7-Triazapyrene: the first case of hetarylation of benzene and its analogs.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 6, p. 952, doi. 10.1007/s10593-013-1331-0

By:

Borovlev, I.;
Demidov, O.;
Saigakova, N.

Publication type:

Article

Novel method for the synthesis of isatins using ethyl nitroacetate in polyphosphoric acid.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 645, doi. 10.1007/s10593-013-1292-3

By:

Aksenov, N.;
Aksenov, A.;
Aksenova, I.;
Smushkevich, Yu.

Publication type:

Article

Unusual reaction of 1 H-perimidines with sodium azide and benzoyl hydrazine in polyphosphoric acid.

Published in:

Chemistry of Heterocyclic Compounds, 2012, v. 48, n. 8, p. 1275, doi. 10.1007/s10593-012-1133-9

By:

Lyakhovnenko, A.;
Kolesnikova, A.;
Goncharov, I.;
Aksenova, I.;
Aksenov, A.

Publication type:

Article

New three-component reaction of perimidines with sodium azide and sodium nitrite in polyphosphoric acid.

Published in:

Chemistry of Heterocyclic Compounds, 2012, v. 48, n. 4, p. 677, doi. 10.1007/s10593-012-1043-x

By:

Lyakhovnenko, A.;
Aksenov, A.;
Aksenov, N.;
Goncharov, V.;
Aksenova, I.

Publication type:

Article

Novel three-component reaction of perimidines with 1,3,5-triazines and carbonyl compounds in polyphosphoric acid. an efficient method for peri-annelation of a carbocyclic and pyridine ring.

Published in:

Chemistry of Heterocyclic Compounds, 2012, v. 48, n. 4, p. 634, doi. 10.1007/s10593-012-1037-8

By:

Aksenov, A.;
Aksenov, N.;
Lyakhovnenko, A.;
Kumshaeva, A.;
Aksenova, I.

Publication type:

Article

Domino reactions in the synthesis of benzothieno[2,3- c]pyridines. New one-pot method of preparing 2-([1]benzothieno-[2,3- c]pyridin-1-yl)benzoic acids and 8,13b-dihydro[1]benzothieno[2',3':3,4]pyrido-[2,1- a]isoindol-5(7 H)-ones.

Published in:

Chemistry of Heterocyclic Compounds, 2012, v. 48, n. 4, p. 666, doi. 10.1007/s10593-012-1041-z

By:

Tolkunov, V.;
Eres'ko, A.;
Khizhan, A.;
Mazepa, A.;
Palamarchuk, G.;
Shishkin, O.;
Tolkunov, S.

Publication type:

Article

Three-component reaction of acetyl-perimidines with sodium azide and nitrite in polyphosphoric acid.

Published in:

Chemistry of Heterocyclic Compounds, 2011, v. 47, n. 9, p. 1180, doi. 10.1007/s10593-011-0891-0

By:

Aksenov, A.;
Lyakhovnenko, A.;
Spicin, A.;
Aksenova, I.

Publication type:

Article

Reaction of acetylperimidines with sodium nitrite in polyphosphoric acid.

Published in:

Chemistry of Heterocyclic Compounds, 2011, v. 47, n. 9, p. 1183, doi. 10.1007/s10593-011-0892-z

By:

Aksenov, A.;
Lyakhovnenko, A.;
Spicin, A.;
Aksenova, I.

Publication type:

Article

Three-component reaction of perimidines with acetophenone and sodium nitrite in polyphosphoric acid.

Published in:

Chemistry of Heterocyclic Compounds, 2011, v. 47, n. 9, p. 1185, doi. 10.1007/s10593-011-0893-y

By:

Aksenov, A.;
Lyakhovnenko, A.;
Aksenov, N.;
Spicin, A.;
Aksenova, I.

Publication type:

Article

New fluorescent 2-(5-acetoacetyl-2-furyl)-benzazoles with prochiral methylene group protons.

Published in:

Chemistry of Heterocyclic Compounds, 2011, v. 47, n. 6, p. 690, doi. 10.1007/s10593-011-0820-2

By:

Aleksandrov, A.;
Elchaninov, M.;
Makarova, N.;
Lukyanov, B.

Publication type:

Article

Synthesis and structure of a new heterocyclic system - 7,8-dihydroimidazo- [1,2- c][1,3]thiazolo[4,5- e]pyrimidine.

Published in:

Chemistry of Heterocyclic Compounds, 2011, v. 47, n. 4, p. 507, doi. 10.1007/s10593-011-0788-y

By:

Kozachenko, A.;
Shablykin, O.;
Vasilenko, A.;
Chernega, A.;
Brovarets, V.

Publication type:

Article

A new route for the synthesis of 4,5-diamino-6-arylsulfanylpyrimidine derivatives and also purines on their basis.

Published in:

Chemistry of Heterocyclic Compounds, 2011, v. 47, n. 4, p. 492, doi. 10.1007/s10593-011-0786-0

By:

Popil'nichenko, C. V.;
Solomyannyj, R. N.;
Brovarets, V. S.

Publication type:

Article