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Items: 47

1.

Polypyrrole⁻Methyl Orange Raman pH Sensor.

Czaja T, Wójcik K, Grzeszczuk M, Szostak R.

Polymers (Basel). 2019 Apr 19;11(4). pii: E715. doi: 10.3390/polym11040715.

2.

17O NMR and 15N NMR chemical shifts of sterically-hindered amides: ground-state destabilization in amide electrophilicity.

Pace V, Holzer W, Ielo L, Shi S, Meng G, Hanna M, Szostak R, Szostak M.

Chem Commun (Camb). 2019 Apr 9;55(30):4423-4426. doi: 10.1039/c9cc01402k.

PMID:
30916689
3.

Triflamides: Highly Reactive, Electronically Activated N-Sulfonyl Amides in Catalytic N-C(O) Amide Cross-Coupling.

Shi S, Lalancette R, Szostak R, Szostak M.

Org Lett. 2019 Mar 1;21(5):1253-1257. doi: 10.1021/acs.orglett.8b03901. Epub 2019 Feb 15.

PMID:
30768275
4.

Chemistry of Bridged Lactams: Recent Developments.

Szostak R, Szostak M.

Molecules. 2019 Jan 12;24(2). pii: E274. doi: 10.3390/molecules24020274. Review.

5.

Tröger's Base Twisted Amides: High Amide Bond Twist and N-/O-Protonation Aptitude.

Szostak R, Szostak M.

J Org Chem. 2019 Feb 1;84(3):1510-1516. doi: 10.1021/acs.joc.8b02937. Epub 2019 Jan 14.

PMID:
30571109
6.

The Most Twisted Acyclic Amides: Structures and Reactivity.

Liu C, Shi S, Liu Y, Liu R, Lalancette R, Szostak R, Szostak M.

Org Lett. 2018 Dec 21;20(24):7771-7774. doi: 10.1021/acs.orglett.8b03175. Epub 2018 Dec 10.

PMID:
30525667
7.

Structures and energetic properties of 4-halobenzamides.

Piontek A, Bisz E, Dziuk B, Szostak R, Szostak M.

Acta Crystallogr C Struct Chem. 2018 Nov 1;74(Pt 11):1395-1402. doi: 10.1107/S2053229618013463. Epub 2018 Oct 23.

PMID:
30398194
8.

Twisted N-Acyl-hydantoins: Rotationally Inverted Urea-Imides of Relevance in N-C(O) Cross-coupling.

Szostak R, Liu C, Lalancette R, Szostak M.

J Org Chem. 2018 Dec 7;83(23):14676-14682. doi: 10.1021/acs.joc.8b02691. Epub 2018 Nov 15.

PMID:
30352152
9.

Quantification of active ingredients in Potentilla tormentilla by Raman and infrared spectroscopy.

Mazurek S, Fecka I, Węglińska M, Szostak R.

Talanta. 2018 Nov 1;189:308-314. doi: 10.1016/j.talanta.2018.07.012. Epub 2018 Jul 6.

PMID:
30086923
10.

Humidity-Induced Photoluminescence Hysteresis in Variable Cs/Br Ratio Hybrid Perovskites.

Howard JM, Tennyson EM, Barik S, Szostak R, Waks E, Toney MF, Nogueira AF, Neves BRA, Leite MS.

J Phys Chem Lett. 2018 Jun 21;9(12):3463-3469. doi: 10.1021/acs.jpclett.8b01357. Epub 2018 Jun 12.

PMID:
29882399
11.

Determination of nutritional parameters of yoghurts by FT Raman spectroscopy.

Czaja T, Baranowska M, Mazurek S, Szostak R.

Spectrochim Acta A Mol Biomol Spectrosc. 2018 May 5;196:413-417. doi: 10.1016/j.saa.2018.02.054. Epub 2018 Feb 22.

PMID:
29499570
12.

N-Acyl-glutarimides: Resonance and Proton Affinities of Rotationally-Inverted Twisted Amides Relevant to N-C(O) Cross-Coupling.

Szostak R, Szostak M.

Org Lett. 2018 Mar 2;20(5):1342-1345. doi: 10.1021/acs.orglett.8b00086. Epub 2018 Feb 16.

PMID:
29450995
13.

Barriers to Rotation in ortho-Substituted Tertiary Aromatic Amides: Effect of Chloro-Substitution on Resonance and Distortion.

Bisz E, Piontek A, Dziuk B, Szostak R, Szostak M.

J Org Chem. 2018 Mar 16;83(6):3159-3163. doi: 10.1021/acs.joc.8b00019. Epub 2018 Mar 1.

PMID:
29446628
14.

Microheterogeneity in binary mixtures of water with CH3OH and CD3OH: ATR-IR spectroscopic, chemometric and DFT studies.

Tomza P, Wrzeszcz W, Mazurek S, Szostak R, Czarnecki MA.

Spectrochim Acta A Mol Biomol Spectrosc. 2018 May 15;197:88-94. doi: 10.1016/j.saa.2018.01.068. Epub 2018 Jan 31.

PMID:
29395933
15.

Reversible Twisting of Primary Amides via Ground State N-C(O) Destabilization: Highly Twisted Rotationally Inverted Acyclic Amides.

Meng G, Shi S, Lalancette R, Szostak R, Szostak M.

J Am Chem Soc. 2018 Jan 17;140(2):727-734. doi: 10.1021/jacs.7b11309. Epub 2018 Jan 8.

PMID:
29240413
16.

Interdisciplinarity and Adapted Physical Activity.

Szostak R.

Adapt Phys Activ Q. 2018 Jul 1;35(3):254-266. doi: 10.1123/apaq.2017-0079. Epub 2017 Nov 28.

PMID:
29182363
17.

Determining moisture content in pasta by vibrational spectroscopy.

Czaja T, Kuzawińska E, Sobota A, Szostak R.

Talanta. 2018 Feb 1;178:294-298. doi: 10.1016/j.talanta.2017.09.050. Epub 2017 Sep 19.

PMID:
29136825
18.

Suzuki-Miyaura cross-coupling of amides and esters at room temperature: correlation with barriers to rotation around C-N and C-O bonds.

Lei P, Meng G, Shi S, Ling Y, An J, Szostak R, Szostak M.

Chem Sci. 2017 Sep 1;8(9):6525-6530. doi: 10.1039/c7sc02692g. Epub 2017 Aug 1.

19.

N-Methylamino Pyrimidyl Amides (MAPA): Highly Reactive, Electronically-Activated Amides in Catalytic N-C(O) Cleavage.

Meng G, Lalancette R, Szostak R, Szostak M.

Org Lett. 2017 Sep 1;19(17):4656-4659. doi: 10.1021/acs.orglett.7b02288. Epub 2017 Aug 22.

PMID:
28829610
20.

Microheterogeneity in CH3OH/CD3OH mixture.

Wrzeszcz W, Mazurek S, Szostak R, Tomza P, Czarnecki MA.

Spectrochim Acta A Mol Biomol Spectrosc. 2018 Jan 5;188:349-354. doi: 10.1016/j.saa.2017.07.030. Epub 2017 Jul 19.

PMID:
28753528
21.

Suzuki-Miyaura Cross-Coupling of N-Acylpyrroles and Pyrazoles: Planar, Electronically Activated Amides in Catalytic N-C Cleavage.

Meng G, Szostak R, Szostak M.

Org Lett. 2017 Jul 7;19(13):3596-3599. doi: 10.1021/acs.orglett.7b01575. Epub 2017 Jun 22.

PMID:
28640630
22.

Resonance Destabilization in N-Acylanilines (Anilides): Electronically-Activated Planar Amides of Relevance in N-C(O) Cross-Coupling.

Szostak R, Meng G, Szostak M.

J Org Chem. 2017 Jun 16;82(12):6373-6378. doi: 10.1021/acs.joc.7b00971. Epub 2017 Jun 7.

PMID:
28590733
23.

Corrigendum: Structures of Highly Twisted Amides Relevant to Amide N-C Cross-Coupling: Evidence for Ground-State Amide Destabilization.

Pace V, Holzer W, Meng G, Shi S, Lalancette R, Szostak R, Szostak M.

Chemistry. 2017 Mar 8;23(14):3496. doi: 10.1002/chem.201700561. Epub 2017 Feb 22. No abstract available.

PMID:
28276655
24.

Palladium-Catalyzed Suzuki-Miyaura Cross-Coupling of N-Mesylamides by N-C Cleavage: Electronic Effect of the Mesyl Group.

Liu C, Liu Y, Liu R, Lalancette R, Szostak R, Szostak M.

Org Lett. 2017 Mar 17;19(6):1434-1437. doi: 10.1021/acs.orglett.7b00373. Epub 2017 Mar 6.

PMID:
28263605
25.

Quantitative analysis of solid samples using modified specular reflectance accessory.

Czaja T, Mazurek S, Szostak R.

Talanta. 2016 Dec 1;161:655-659. doi: 10.1016/j.talanta.2016.09.028. Epub 2016 Sep 11.

PMID:
27769461
27.

Structures of Highly Twisted Amides Relevant to Amide N-C Cross-Coupling: Evidence for Ground-State Amide Destabilization.

Pace V, Holzer W, Meng G, Shi S, Lalancette R, Szostak R, Szostak M.

Chemistry. 2016 Oct 4;22(41):14494-8. doi: 10.1002/chem.201603543. Epub 2016 Aug 25. Erratum in: Chemistry. 2017 Mar 8;23 (14 ):3496.

PMID:
27558185
28.

N-Acylsaccharins: Stable Electrophilic Amide-Based Acyl Transfer Reagents in Pd-Catalyzed Suzuki-Miyaura Coupling via N-C Cleavage.

Liu C, Meng G, Liu Y, Liu R, Lalancette R, Szostak R, Szostak M.

Org Lett. 2016 Sep 2;18(17):4194-7. doi: 10.1021/acs.orglett.6b01836. Epub 2016 Aug 11.

PMID:
27513821
29.

Ground-State Distortion in N-Acyl-tert-butyl-carbamates (Boc) and N-Acyl-tosylamides (Ts): Twisted Amides of Relevance to Amide N-C Cross-Coupling.

Szostak R, Shi S, Meng G, Lalancette R, Szostak M.

J Org Chem. 2016 Sep 2;81(17):8091-4. doi: 10.1021/acs.joc.6b01560. Epub 2016 Aug 2.

PMID:
27480938
30.

Highly Chemoselective Synthesis of Indolizidine Lactams by SmI2 -Induced Umpolung of the Amide Bond via Aminoketyl Radicals: Efficient Entry to Alkaloid Scaffolds.

Shi S, Lalancette R, Szostak R, Szostak M.

Chemistry. 2016 Aug 16;22(34):11949-53. doi: 10.1002/chem.201602717. Epub 2016 Jul 15.

PMID:
27418326
31.

Quantification of gluten in wheat flour by FT-Raman spectroscopy.

Czaja T, Mazurek S, Szostak R.

Food Chem. 2016 Nov 15;211:560-3. doi: 10.1016/j.foodchem.2016.05.108. Epub 2016 May 17.

PMID:
27283667
32.

Interdisciplinarity: Resources abound.

Szostak R.

Nature. 2015 Oct 22;526(7574):506. doi: 10.1038/526506d. No abstract available.

PMID:
26490610
33.
34.

Analysis of milk by FT-Raman spectroscopy.

Mazurek S, Szostak R, Czaja T, Zachwieja A.

Talanta. 2015 Jun 1;138:285-289. doi: 10.1016/j.talanta.2015.03.024. Epub 2015 Mar 21.

PMID:
25863403
35.

An efficient computational model to predict protonation at the amide nitrogen and reactivity along the C-N rotational pathway.

Szostak R, Aubé J, Szostak M.

Chem Commun (Camb). 2015 Apr 14;51(29):6395-8. doi: 10.1039/c5cc01034a.

36.
37.

Quantification of active ingredients in suppositories by FT-Raman spectroscopy.

Szostak R, Mazurek S.

Drug Test Anal. 2013 Feb;5(2):126-9. doi: 10.1002/dta.379. Epub 2012 Apr 17.

PMID:
22508658
38.

Chemometric detection of acetaminophen in pharmaceuticals by infrared spectroscopy combined with pattern recognition techniques: comparison of attenuated total reflectance-FTIR and Raman spectroscopy.

Komsta Ł, Czarnik-Matusewicz H, Szostak R, Gumieniczek A, Pietraś R, Skibiński R, Inglot T.

J AOAC Int. 2011 May-Jun;94(3):743-9.

PMID:
21797001
39.

The influence of sample area on diclofenac sodium quantification by diffuse reflectance IR spectroscopy.

Szostak R, Mazurek S.

Talanta. 2011 Apr 15;84(2):583-6. doi: 10.1016/j.talanta.2010.12.045. Epub 2011 Jan 13.

PMID:
21376991
40.

C-X...O halogen bonding: interactions of trifluoromethyl halides with dimethyl ether.

Hauchecorne D, Szostak R, Herrebout WA, van der Veken BJ.

Chemphyschem. 2009 Aug 24;10(12):2105-15. doi: 10.1002/cphc.200900125.

PMID:
19575481
41.

Quantification of atorvastatin calcium in tablets by FT-Raman spectroscopy.

Mazurek S, Szostak R.

J Pharm Biomed Anal. 2009 Jan 15;49(1):168-72. doi: 10.1016/j.jpba.2008.10.015. Epub 2008 Nov 1.

PMID:
19062220
42.

Quantitative determination of diclofenac sodium in solid dosage forms by FT-Raman spectroscopy.

Mazurek S, Szostak R.

J Pharm Biomed Anal. 2008 Nov 4;48(3):814-21. doi: 10.1016/j.jpba.2008.08.013. Epub 2008 Aug 22.

PMID:
18819768
43.

Quantitative determination of diclofenac sodium and aminophylline in injection solutions by FT-Raman spectroscopy.

Mazurek S, Szostak R.

J Pharm Biomed Anal. 2006 Mar 18;40(5):1235-42. Epub 2005 Nov 8.

PMID:
16280227
44.

Quantitative determination of captopril and prednisolone in tablets by FT-Raman spectroscopy.

Mazurek S, Szostak R.

J Pharm Biomed Anal. 2006 Mar 18;40(5):1225-30. Epub 2005 Oct 25.

PMID:
16253463
45.

Effect of ligand radicals on vibrational IR, Raman and vibronic spectra of europium beta-diketonates.

Tsaryuk V, Zolin V, Legendziewicz J, Szostak R, Sokolnicki J.

Spectrochim Acta A Mol Biomol Spectrosc. 2005 Jan 1;61(1-2):185-91.

PMID:
15556438
46.
47.

The nature of improper, blue-shifting hydrogen bonding verified experimentally.

van der Veken BJ, Herrebout WA, Szostak R, Shchepkin DN, Havlas Z, Hobza P.

J Am Chem Soc. 2001 Dec 12;123(49):12290-3.

PMID:
11734029

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