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 Custom Filters

Edit custom filters

Results by year

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

Year Number of Results
1947 2
1948 7
1949 3
1950 3
1951 2
1952 2
1953 2
1954 1
1955 4
1956 4
1957 9
1958 2
1959 2
1961 3
1962 4
1964 6
1965 2
1966 10
1967 3
1968 6
1969 22
1970 12
1971 12
1972 12
1973 19
1974 14
1975 32
1976 32
1977 20
1978 21
1979 25
1980 25
1981 28
1982 22
1983 27
1984 28
1985 31
1986 25
1987 27
1988 37
1989 47
1990 65
1991 35
1992 52
1993 48
1994 53
1995 50
1996 53
1997 53
1998 45
1999 64
2000 81
2001 101
2002 68
2003 70
2004 81
2005 116
2006 124
2007 138
2008 149
2009 155
2010 177
2011 188
2012 204
2013 194
2014 201
2015 196
2016 222
2017 236
2018 237
2019 245
2020 280
2021 292
2022 302
2023 266
2024 281
2025 250
2026 113

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

5,505 results

Results by year

Filters applied: . Clear all
Quoted phrases not found in phrase index: "2-pyrol", "a-pyrrolidone"
Page 1
Pyrrolidone derivatives.
Shorvon S. Shorvon S. Lancet. 2001 Dec 1;358(9296):1885-92. doi: 10.1016/S0140-6736(01)06890-8. Lancet. 2001. PMID: 11741647 Review.
The pyrrolidone (2-oxopyrrolidine) family of chemicals has been the subject of research for more than three decades. ...
The pyrrolidone (2-oxopyrrolidine) family of chemicals has been the subject of research for more than three decades. .. …
Stoffmonographie für N-Ethyl-2-pyrrolidon (NEP) und Human-Biomonitoring (HBM)-Werte für die Metaboliten 5-Hydroxy-NEP (5-HNEP) und 2-Hydroxy-N-ethylsuccinimid (2-HESI) im Urin: Stellungnahme der Kommission Human-Biomonitoring des Umweltbundesamtes.
[No authors listed] [No authors listed] Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2015 Sep;58(9):1041-52. doi: 10.1007/s00103-015-2210-x. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2015. PMID: 26275567 German.
N-Ethyl-2-pyrrolidone (NEP), a polar aprotic solvent, is used in many applications as substitute for the structural analogue N-methyl-2-pyrrolidone (NMP), e. g. for surface coatings, in cleaning agents and paint strippers. ...Exposure to NEP can be qua …
N-Ethyl-2-pyrrolidone (NEP), a polar aprotic solvent, is used in many applications as substitute for the structural analogue N …
N-vinyl-2-pyrrolidone and polyvinyl pyrrolidone.
[No authors listed] [No authors listed] IARC Monogr Eval Carcinog Risks Hum. 1999;71 Pt 3(PT 3):1181-7. IARC Monogr Eval Carcinog Risks Hum. 1999. PMID: 10476385 Free PMC article. Review. No abstract available.
Workplace environmental exposure level guide: n-Methyl-2-pyrrolidone.
[No authors listed] [No authors listed] Toxicol Ind Health. 2022 Jun;38(6):309-329. doi: 10.1177/07482337221093838. Toxicol Ind Health. 2022. PMID: 35658636
n-Methyl-2-pyrrolidone (NMP) is a widely used solvent with a mild amine-like odor that can exist in a vapor or aerosol at moderate temperatures. ...
n-Methyl-2-pyrrolidone (NMP) is a widely used solvent with a mild amine-like odor that can exist in a vapor or aerosol at mode …
Efficient synthesis of tert-butyl 3-cyano-3-cyclopropyl-2-oxopyrrolidine-4-carboxylates: Highly functionalized 2-pyrrolidinone enabling access to novel macrocyclic Tyk2 inhibitors.
Sasaki Y, Tokuhara H, Ohba Y, Okabe A, Nakayama M, Nakagawa H, Skene R, Hoffman I, Zou H, Yoshida M. Sasaki Y, et al. Bioorg Med Chem Lett. 2020 Mar 1;30(5):126963. doi: 10.1016/j.bmcl.2020.126963. Epub 2020 Jan 13. Bioorg Med Chem Lett. 2020. PMID: 31980341
Herein we report an efficient method for the synthesis of a highly functionalized 2-pyrrolidinone, tert-butyl 3-cyano-3-cyclopropyl-2-oxopyrrolidine-4-carboxylate, from readily available starting materials. ...
Herein we report an efficient method for the synthesis of a highly functionalized 2-pyrrolidinone, tert-butyl 3-cyano-3-cyclop …
A phase 1 clinical trial of the repurposable acetyllysine mimetic, n-methyl-2-pyrrolidone (NMP), in relapsed or refractory multiple myeloma.
Jake Shortt, Galettis P, Cheah CY, Davis J, Ludford-Menting M, Link EK, Martin JH, Koldej R, Ritchie D. Jake Shortt, et al. Clin Epigenetics. 2023 Jan 28;15(1):15. doi: 10.1186/s13148-023-01427-7. Clin Epigenetics. 2023. PMID: 36709310 Free PMC article. Clinical Trial.
BACKGROUND: N-methyl-2-pyrrolidone (NMP) is an epigenetically active chemical fragment and organic solvent with numerous applications including use as a drug-delivery vehicle. ...
BACKGROUND: N-methyl-2-pyrrolidone (NMP) is an epigenetically active chemical fragment and organic solvent with numerous appli …
Safety Assessment of PCA (2-Pyrrolidone-5-Carboxylic Acid) and Its Salts as Used in Cosmetics.
Fiume MM, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD, Liebler DC, Marks JG Jr, Shank RC, Slaga TJ, Snyder PW, Gill LJ, Heldreth B. Fiume MM, et al. Int J Toxicol. 2019 Sep/Oct;38(2_suppl):5S-11S. doi: 10.1177/1091581819856568. Int J Toxicol. 2019. PMID: 31522652 Review.
The Cosmetic Ingredient Review Expert Panel (Panel) reassessed the safety of 2-pyrrolidone-5-carboxylic acid (PCA) and sodium PCA; the Panel added 3 previously unreviewed salts (calcium, magnesium, and potassium) of PCA to this safety assessment. 2-Pyrroli
The Cosmetic Ingredient Review Expert Panel (Panel) reassessed the safety of 2-pyrrolidone-5-carboxylic acid (PCA) and sodium …
Novel 2-Pyrrolidone Derivatives as Negative Allosteric Modulators of GluN2B-Containing NMDA Receptors.
Li Y, Liang SH. Li Y, et al. ACS Med Chem Lett. 2025 Apr 4;16(5):719-720. doi: 10.1021/acsmedchemlett.5c00157. eCollection 2025 May 8. ACS Med Chem Lett. 2025. PMID: 40365407 Free PMC article.
This patent highlight describes a series of novel 2-pyrrolidone derivatives that act as negative allosteric modulators (NAMs) of GluN2B-containing N-methyl-d-aspartic acid receptors (NMDARs). ...
This patent highlight describes a series of novel 2-pyrrolidone derivatives that act as negative allosteric modulators (NAMs) …
N-substituted 2-pyrrolidones.
ZIENTY FB, STEAHLY GW. ZIENTY FB, et al. J Am Chem Soc. 1947 Mar;69(3):715. doi: 10.1021/ja01195a518. J Am Chem Soc. 1947. PMID: 20341877 No abstract available.
Development of a 2-pyrrolidone biosynthetic pathway in Corynebacterium glutamicum by engineering an acetyl-CoA balance route.
Xu M, Gao H, Ma Z, Han J, Zheng K, Shao M, Rao Z. Xu M, et al. Amino Acids. 2022 Nov;54(11):1437-1450. doi: 10.1007/s00726-022-03174-0. Epub 2022 Oct 13. Amino Acids. 2022. PMID: 36224443
2-Pyrrolidone is widely used in the textile and pharmaceutical industries. Here, we established a 2-pyrrolidone biosynthesis pathway in Corynebacterium glutamicum, by expressing glutamate decarboxylase (Gad) mutant and beta-alanine CoA transferase (Act
2-Pyrrolidone is widely used in the textile and pharmaceutical industries. Here, we established a 2-pyrrolidone
5,505 results