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

Year Number of Results
1947 2
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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
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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
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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 115
2006 125
2007 138
2008 149
2009 155
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2012 204
2013 194
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2015 196
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5,134 results

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Quoted phrases not found in phrase index: "2-pyrol", "a-pyrrolidone"
Page 1
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 …
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.
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 …
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. .. …
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 …
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 …
A new human cadaver model for laparoscopic training using N-vinyl-2-pyrrolidone: a feasibility study.
Nagase M, Kimoto Y, Sunami E, Matsumura G. Nagase M, et al. Anat Sci Int. 2020 Jan;95(1):156-164. doi: 10.1007/s12565-019-00494-2. Epub 2019 Jul 26. Anat Sci Int. 2020. PMID: 31347090
We recently developed a new formalin-free embalming method with N-vinyl-2-pyrrolidone (pyrrolidone) that has excellent fixative, disinfectant, and preservative properties, while still keeping tissues soft and pliable. In the study reported here we investigate …
We recently developed a new formalin-free embalming method with N-vinyl-2-pyrrolidone (pyrrolidone) that has excellent …
Formation of Hydrogels Based on a Copolymer of N-Vinyl-2-pyrrolidone and Glycidyl Methacrylate in the Presence of the Reaction Product of 1,3-Dimethylmidazolium Dimethylphosphate and Elemental Sulfur.
Tarasova N, Krivoborodov E, Zanin A, Pascal E, Toropygin I, Artyukhov A, Muradyan S, Mezhuev Y. Tarasova N, et al. Gels. 2022 Feb 21;8(2):136. doi: 10.3390/gels8020136. Gels. 2022. PMID: 35200517 Free PMC article.
The aim of the study is to search for a reaction that provides the possibility of tandem "one-pot" formation of polymer networks during radical copolymerization of N-vinyl-2-pyrrolidone and glycidyl methacrylate. It was shown that the addition of recently synthesize …
The aim of the study is to search for a reaction that provides the possibility of tandem "one-pot" formation of polymer networks during radi …
5,134 results