Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1975 1
1979 1
1980 1
1981 1
1982 1
1984 1
1990 1
1993 1
1996 2
1997 1
1998 1
2001 1
2002 4
2003 2
2004 2
2005 1
2006 2
2007 4
2008 4
2009 5
2010 2
2011 3
2012 3
2013 6
2014 3
2015 6
2016 4
2017 6
2018 6
2019 1
2020 7
2021 6
2022 7
2023 7
2024 2

Text availability

Article attribute

Article type

Publication date

Search Results

100 results

Results by year

Filters applied: . Clear all
Page 1
Triethyl orthoformate covalently cross-linked chitosan-(poly vinyl) alcohol based biodegradable scaffolds with heparin-binding ability for promoting neovascularisation.
Shahzadi L, Yar M, Jamal A, Siddiqi SA, Chaudhry AA, Zahid S, Tariq M, Rehman IU, MacNeil S. Shahzadi L, et al. J Biomater Appl. 2016 Oct;31(4):582-593. doi: 10.1177/0885328216650125. Epub 2016 May 17. J Biomater Appl. 2016. PMID: 27189757 Free article.
Hydrogels formed with 4% triethyl orthoformate absorbed slightly more water than those made with 16% triethyl orthoformate and broke down slightly faster than non-cross-linked hydrogels. When soaked in heparin the hydrogel formed with 16% triethyl
Hydrogels formed with 4% triethyl orthoformate absorbed slightly more water than those made with 16% triethyl orthof
Catalytic Performance of Immobilized Sulfuric Acid on Silica Gel for N-Formylation of Amines with Triethyl Orthoformate.
Salami SA, Siwe-Noundou X, Krause RWM. Salami SA, et al. Molecules. 2022 Jun 30;27(13):4213. doi: 10.3390/molecules27134213. Molecules. 2022. PMID: 35807459 Free PMC article.
In the search for convenient, green, and practical catalytic methods for the current interest in organic synthesis, a simple, green, and highly efficient protocol for N-formylation of various amines was carried out in the presence of immobilized sulfuric acid on silica gel (H(2)S …
In the search for convenient, green, and practical catalytic methods for the current interest in organic synthesis, a simple, green, and hig …
Triethyl orthoformate mediated a novel crosslinking method for the preparation of hydrogels for tissue engineering applications: characterization and in vitro cytocompatibility analysis.
Yar M, Shahzad S, Siddiqi SA, Mahmood N, Rauf A, Anwar MS, Chaudhry AA, Rehman Iu. Yar M, et al. Mater Sci Eng C Mater Biol Appl. 2015 Nov 1;56:154-64. doi: 10.1016/j.msec.2015.06.021. Epub 2015 Jun 14. Mater Sci Eng C Mater Biol Appl. 2015. PMID: 26249576
These hydrogel membranes were synthesized by blending different ratios of chitosan (CS) and poly(vinyl alcohol) (PVA) solutions and were crosslinked with 2.5% (w/v) triethyl orthoformate (TEOF) in the presence of 17% (w/v) sulfuric acid. ...
These hydrogel membranes were synthesized by blending different ratios of chitosan (CS) and poly(vinyl alcohol) (PVA) solutions and were cro …
Three-Component Reaction of Diamines with Triethyl Orthoformate and Diethyl Phosphite and Anti-Proliferative and Antiosteoporotic Activities of the Products.
Petruczynik P, Kafarski P, Psurski M, Wietrzyk J, Kiełbowicz Z, Kuryszko J, Chmielewska E. Petruczynik P, et al. Molecules. 2020 Mar 20;25(6):1424. doi: 10.3390/molecules25061424. Molecules. 2020. PMID: 32245019 Free PMC article.
A three-component reaction between diamines (diaminobenzenes, diaminocyclohexanes, and piperazines), triethyl orthoformate, and diethyl phosphite was studied in some detail. ...
A three-component reaction between diamines (diaminobenzenes, diaminocyclohexanes, and piperazines), triethyl orthoformate, an …
Reaction of 3-Amino-1,2,4-Triazole with Diethyl Phosphite and Triethyl Orthoformate: Acid-Base Properties and Antiosteoporotic Activities of the Products.
Miszczyk P, Wieczorek D, Gałęzowska J, Dziuk B, Wietrzyk J, Chmielewska E. Miszczyk P, et al. Molecules. 2017 Feb 8;22(2):254. doi: 10.3390/molecules22020254. Molecules. 2017. PMID: 28208725 Free PMC article.
The reaction of diethyl phosphite with triethyl orthoformate and a primary amine followed by hydrolysis is presented, and the reaction was suitable for the preparation of (aminomethylene)bisphosphonates. 3-Amino-1,2,4-triazole was chosen as an interesting substrate …
The reaction of diethyl phosphite with triethyl orthoformate and a primary amine followed by hydrolysis is presented, and the …
Metal-free and solvent-free synthesis of m-terphenyls through tandem cyclocondensation of aryl methyl ketones with triethyl orthoformate.
Xiao X, Luo J, Gan Z, Jiang W, Tang Q. Xiao X, et al. RSC Adv. 2020 Mar 25;10(20):12113-12118. doi: 10.1039/d0ra00578a. eCollection 2020 Mar 19. RSC Adv. 2020. PMID: 35496630 Free PMC article.
Reported here is a novel cyclocondensation of aryl methyl ketones and triethyl orthoformate for the simple synthesis of m-terphenyls. In the presence of a catalytic amount of TfOH, alkyl- and chloro-substituted acetophenones produced a series of terphenyls through a …
Reported here is a novel cyclocondensation of aryl methyl ketones and triethyl orthoformate for the simple synthesis of m-terp …
A novel methodology for stabilization of silver nanoparticles on cotton, nylon and cotton/nylon fabrics using chitosan and triethyl orthoformate for enhanced and elongated antibacterial performance.
Mehmood S, Akhtar N, Arshad M, Azhar U, Ullah S, Waris TS, Jabbar F, Hasan A, Iqbal F, Chaudhry AA, Rehman IU, Yar M. Mehmood S, et al. Int J Biol Macromol. 2024 Mar 15;267(Pt 1):129256. doi: 10.1016/j.ijbiomac.2024.129256. Online ahead of print. Int J Biol Macromol. 2024. PMID: 38493823
In the present study, the commercially available three different fabrics cotton, nylon and cotton/nylon were modified by chitosan and silver nanoparticles using a crosslinker triethyl orthoformate (TEOF). Resulted cotton-silver (Ag-Cs-Cot), nylon-silver (Ag-Cs-Nyl) …
In the present study, the commercially available three different fabrics cotton, nylon and cotton/nylon were modified by chitosan and silver …
Three-Component Reaction of Benzylamines, Diethyl Phosphite and Triethyl Orthoformate: Dependence of the Reaction Course on the Structural Features of the Substrates and Reaction Conditions.
Miszczyk P, Turowska-Tyrk I, Kafarski P, Chmielewska E. Miszczyk P, et al. Molecules. 2017 Mar 11;22(3):450. doi: 10.3390/molecules22030450. Molecules. 2017. PMID: 28287472 Free PMC article.
The reaction between benzyl amines, triethyl orthoformate, and diethyl phosphite affords either bisphosphonic (compound 1) or N-benzylaminobenzylphosphonic (compound 2) acid depending on the reaction conditions. ...
The reaction between benzyl amines, triethyl orthoformate, and diethyl phosphite affords either bisphosphonic (compound 1) or …
Evaluation of Antituberculosis Activity and in Silico Properties of Oxymethylene-cyclo-1,3-diones.
Lin ML, Yang MY, Dong ML. Lin ML, et al. Chem Biodivers. 2023 Jul;20(7):e202300779. doi: 10.1002/cbdv.202300779. Epub 2023 Jun 27. Chem Biodivers. 2023. PMID: 37306664
The compounds were synthesized by condensation of 1,3-cyclicdione, substituted phenols/ alcohols and triethyl orthoformate. The synthesized compounds were screened for anti-tuberculosis activity against M.tuberculosis H37Rv using Middlebrook 7H9 broth assay. ...
The compounds were synthesized by condensation of 1,3-cyclicdione, substituted phenols/ alcohols and triethyl orthoformate. Th …
100 results