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
1841 1
1855 1
1938 1
1945 1
1946 8
1947 10
1948 2
1949 2
1951 5
1952 6
1953 1
1954 3
1955 4
1956 3
1957 7
1958 3
1959 3
1960 7
1961 11
1962 8
1963 14
1964 11
1965 20
1966 18
1967 20
1968 28
1969 29
1970 30
1971 26
1972 32
1973 22
1974 27
1975 76
1976 88
1977 85
1978 80
1979 67
1980 112
1981 106
1982 141
1983 133
1984 134
1985 134
1986 161
1987 158
1988 149
1989 216
1990 257
1991 242
1992 240
1993 304
1994 288
1995 321
1996 361
1997 332
1998 346
1999 431
2000 462
2001 469
2002 454
2003 430
2004 513
2005 571
2006 546
2007 607
2008 649
2009 634
2010 649
2011 731
2012 797
2013 782
2014 773
2015 788
2016 704
2017 736
2018 749
2019 758
2020 770
2021 811
2022 795
2023 802
2024 309

Text availability

Article attribute

Article type

Publication date

Search Results

19,800 results

Results by year

Filters applied: . Clear all
The following term was not found in PubMed: 5-Pentafluorobenzene
Page 1
[1,5]-Hydride Shift Triggered N-Dealkylative Cyclization into 2-Oxo-1,2,3,4-tetrahydroquinoline-3-carboxylates via Boronate Complexes.
Zaitseva ER, Ivanov DS, Smirnov AY, Mikhaylov AA, Baleeva NS, Baranov MS. Zaitseva ER, et al. Molecules. 2022 Aug 18;27(16):5270. doi: 10.3390/molecules27165270. Molecules. 2022. PMID: 36014513 Free PMC article.
A new simple one-pot two-step protocol for the synthesis of 2-oxo-1,2,3,4-tetrahydroquinoline-3-carboxylate from 2-(2-(benzylamino)benzylidene)malonate under the action of BF3.Et2O was developed. ...
A new simple one-pot two-step protocol for the synthesis of 2-oxo-1,2,3,4-tetrahydroquinoline-3-carboxylate from …
From ferrocene to 1,2,3,4,5-pentafluoroferrocene: halogen effect on the properties of metallocene.
Erb W, Richy N, Hurvois JP, Low PJ, Mongin F. Erb W, et al. Dalton Trans. 2021 Nov 30;50(46):16933-16938. doi: 10.1039/d1dt03430h. Dalton Trans. 2021. PMID: 34779458 Free article.
The sequentially fluorinated ferrocenes (1-, 1,2-di, 1,2,3-tri, 1,2,3,4-tetra and 1,2,3,4,5-pentafluoroferrocene) have been synthesized from ferrocene. ...
The sequentially fluorinated ferrocenes (1-, 1,2-di, 1,2,3-tri, 1,2,3,4-tetra and 1,2,3, …
Dithiadiazole derivative 3-(4-nitrophenyl)-5-phenyl-3H-1,2,3,4-dithiadiazole-2-oxide - Novel modulator of store-operated calcium entry.
Grekhnev DA, Novikova IV, Krisanova AV, Yuskovets VN, Chernov NM, Yakovlev IP, Kaznacheyeva EV, Vigont VA. Grekhnev DA, et al. Biochem Biophys Res Commun. 2022 Oct 20;626:38-43. doi: 10.1016/j.bbrc.2022.08.001. Epub 2022 Aug 5. Biochem Biophys Res Commun. 2022. PMID: 35981420
Using calcium imaging and the patch-clamp technique we found that dithiadiazole derivative3-(4-nitrophenyl)-5-phenyl-3H-1,2,3,4-dithiadiazole-2-oxidehad a strong inhibitory effect on store-operated calcium entry at the micromolar concentration in HEK29 …
Using calcium imaging and the patch-clamp technique we found that dithiadiazole derivative3-(4-nitrophenyl)-5-phenyl-3H-1,2, …
Ring Enlargement of N-Phosphanyl-1,2,3,4-tetrahydroquinazolines.
Marchenko A, Koidan G, Hurieva AN, Shishkina S, Rusanov E, Kostyuk A. Marchenko A, et al. J Org Chem. 2020 Nov 20;85(22):14467-14472. doi: 10.1021/acs.joc.0c00750. Epub 2020 Sep 4. J Org Chem. 2020. PMID: 32830971
We found that 1-phosphanyl-1,2,3,4-tetrahydroquinazolines undergo ring enlargement. Their treatment with trifluoroacetic or hydrochloric acid afforded diazaphosphepinium salts. Deprotonation of these salts gave the corresponding neutral diazaphosphepin …
We found that 1-phosphanyl-1,2,3,4-tetrahydroquinazolines undergo ring enlargement. Their treatment with trifluo …
(S)-Methyl 2-[(3R,4R)-2-benzyl-3-(2-fur-yl)-1-oxo-1,2,3,4-tetra-hydro-isoquinoline-4-carboxamido]-3-(1H-indol-3-yl)propanoate.
Baktır Z, Akkurt M, Kandinska MI, Bogdanov MG, Büyükgüngör O. Baktır Z, et al. Acta Crystallogr Sect E Struct Rep Online. 2009 Jun 6;65(Pt 7):o1461-2. doi: 10.1107/S160053680902025X. Acta Crystallogr Sect E Struct Rep Online. 2009. PMID: 21582765 Free PMC article.
The title compound, C(33)H(29)N(3)O(5), was synthesized by the reaction of racemic trans-2-benzyl-3-(2-fur-yl)-1-oxo-1,2,3,4-tetra-hydro-isoquinoline-4-carboxylic acid, l-tryptophan methyl ester and diisopropylcarbodiimide in dry dichloro-methane. The …
The title compound, C(33)H(29)N(3)O(5), was synthesized by the reaction of racemic trans-2-benzyl-3-(2-fur-yl)-1-oxo-1,2,3
The Journey of 1-Keto-1,2,3,4-Tetrahydrocarbazole Based Fluorophores: From Inception to Implementation.
Mitra AK. Mitra AK. J Fluoresc. 2022 Nov;32(6):2023-2052. doi: 10.1007/s10895-022-03004-2. Epub 2022 Jul 13. J Fluoresc. 2022. PMID: 35829843 Review.
It is due to the diverse and versatile biological properties of carbazole derivatives that they are of immense interest to the research community. 1-keto-1,2,3,4-tetrahydrocarbazoles are important synthetic intermediates to obtain carbazole derivatives …
It is due to the diverse and versatile biological properties of carbazole derivatives that they are of immense interest to the research comm …
Poly[hexa-aqua-(mu9-cyclo-hexane-1,2,3,4,5,6-hexa-carboxyl-ato)trimanganese(II)].
Sun W, Zang H, Quan C. Sun W, et al. Acta Crystallogr Sect E Struct Rep Online. 2013 Jun 15;69(Pt 7):m384. doi: 10.1107/S1600536813015626. eCollection 2013. Acta Crystallogr Sect E Struct Rep Online. 2013. PMID: 24046563 Free PMC article.
The asymmetric unit of the title compound, [Mn3(C12H6O12)(H2O)6] n , comprises one Mn(II) ion, one third of a cyclo-hexane-1,2,3,4,5,6-hexa-carboxyl-ate anion and two aqua ligands. The anion is completed by application of a -3 axis. ...The six carboxyl …
The asymmetric unit of the title compound, [Mn3(C12H6O12)(H2O)6] n , comprises one Mn(II) ion, one third of a cyclo-hexane-1,2
Improved Syntheses of Halogenated Benzene-1,2,3,4-Tetracarboxylic Diimides.
Zou B, Stellmach KA, Luo SM, Gebresilassie FL, Jung H, Zhang CK, Bass AD, Janzen DE, Cao DD. Zou B, et al. J Org Chem. 2022 Nov 4;87(21):13605-13614. doi: 10.1021/acs.joc.2c01241. Epub 2022 Oct 5. J Org Chem. 2022. PMID: 36198127
The preparation of halogenated benzene-1,2,3,4-tetracarboxylic diimide derivatives is challenging because of the possibility of competitive incorrect cyclizations and S(N)Ar reactivity. Here, we demonstrate that bypassing traditional cyclic anhydrides …
The preparation of halogenated benzene-1,2,3,4-tetracarboxylic diimide derivatives is challenging because of the …
1,2,3,4-Tetrahydroisoquinoline Derivatives as a Novel Deoxyribonuclease I Inhibitors.
Gajić M, Ilić BS, Bondžić BP, Džambaski Z, Kojić VV, Jakimov DS, Kocić G, Šmelcerović A. Gajić M, et al. Chem Biodivers. 2021 Aug;18(8):e2100261. doi: 10.1002/cbdv.202100261. Epub 2021 Jul 13. Chem Biodivers. 2021. PMID: 34170076
Herein we report an assessment of 24 1,2,3,4-tetrahydroisoquinoline derivatives for potential DNase I (deoxyribonuclease I) inhibitory properties in vitro. Four of them inhibited DNase I with IC(50) values below 200 muM. The most potent was 1-(6,7-dime …
Herein we report an assessment of 24 1,2,3,4-tetrahydroisoquinoline derivatives for potential DNase I (deoxyribo …
In vitro anti-hepatocellular carcinogenesis of 1,2,3,4,6-Penta-O-galloyl-beta-D-glucose.
Jiang YH, Bi JH, Wu MR, Ye SJ, Hu L, Li LJ, Yi Y, Wang HX, Wang LM. Jiang YH, et al. Food Nutr Res. 2023 Mar 27;67. doi: 10.29219/fnr.v67.9244. eCollection 2023. Food Nutr Res. 2023. PMID: 37050924 Free PMC article.
BACKGROUND: 1,2,3,4,6-Penta-O-galloyl-beta-D-glucose (beta-PGG) is a polyphenol ellagic compound with a variety of pharmacological effects and has an inhibitory effect on lots of cancers. OBJECTIVE: To explore the antitumor effects and mechanism of …
BACKGROUND: 1,2,3,4,6-Penta-O-galloyl-beta-D-glucose (beta-PGG) is a polyphenol ellagic compound with a variety …
19,800 results
You have reached the last available page of results. Please see the User Guide for more information.