Knorr pyrrole synthesis (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Knorr pyrrole synthesis" in English language version.

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15doi.org

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3zenodo.org

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2orgsyn.org

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2harvard.edu

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1hathitrust.org

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doi.org (Global: 2^nd place; English: 2^nd place)

Knorr, Ludwig (1884). "Synthese von Pyrrolderivaten" [Synthesis of pyrrole derivatives]. Berichte der deutschen chemischen Gesellschaft (in German). 17 (2): 1635–1642. doi:10.1002/cber.18840170220.
Knorr, Ludwig (1886). "Synthetische Versuche mit dem Acetessigester" [Synthetic experiments with the ester of acetoacetic acid] (PDF). Annalen der Chemie (in German). 236 (3): 290–332. doi:10.1002/jlac.18862360303.
Knorr, L.; Lange, H. (1902). "Ueber die Bildung von Pyrrolderivaten aus Isonitrosoketonen" [On the formation of pyrrole derivatives from isonitrosoketones]. Berichte der deutschen chemischen Gesellschaft (in German). 35 (3): 2998–3008. doi:10.1002/cber.19020350392.
Fischer, Hans (1935). "2,4-Dimethyl-3,5-dicarbethoxypyrrole (2,4-Pyrroledicarboxylic acid, 3,5-dimethyl-, diethyl ester)". Organic Syntheses. 15: 17. doi:10.15227/orgsyn.015.0017; Collected Volumes, vol. 2, p. 202.
Fischer, Hans (1941). "Kryptopyrrole (Pyrrole, 2,4-dimethyl-3-ethyl)". Organic Syntheses. 21: 67. doi:10.15227/orgsyn.021.0067; Collected Volumes, vol. 3, p. 513.
Corwin, Alsoph H.; Bailey, William A.; Viohl, Paul (1942). "Structural Investigations upon a Substituted Dipyrrylmethane. An Unusual Melting Point-Symmetry Relationship". Journal of the American Chemical Society. 64 (6): 1267–1273. Bibcode:1942JAChS..64.1267C. doi:10.1021/ja01258a007.
Oikawa, Yuji; Sugano, Kiyoshi; Yonemitsu, Osamu (1978). "Meldrum's acid in organic synthesis. 2. A general and versatile synthesis of β-keto esters". The Journal of Organic Chemistry. 43 (10): 2087–2088. doi:10.1021/jo00404a066.
Treibs, Alfred; Hintermeier, Karl (1954). "tert-Butylester von Pyrrolcarbonsäuren". Chemische Berichte (in German). 87 (8): 1167–1174. doi:10.1002/cber.19540870818.
Bullock, E.; Chen, T. S.; Loader, C. E. (1966). "Preparation and reactions of some pyrrylthiol esters". Canadian Journal of Chemistry. 44 (9): 1007–1111. doi:10.1139/v66-149.
Fischer, Hans; Fink, Emmy (1948). "Über eine neue Pyrrolsynthese" [On a new synthesis of pyrroles]. Zeitschrift für Physiologische Chemie (in German). 283 (3–4): 152–161. doi:10.1515/bchm2.1948.283.3-4.152.
Kleinspehn, George G. (1955). "A Novel Route to Certain 2-Pyrrolecarboxylic Esters and Nitriles". Journal of the American Chemical Society. 77 (6): 1546–1548. Bibcode:1955JAChS..77.1546K. doi:10.1021/ja01611a043.
Paine, John B.; Dolphin, David (1985). "Pyrrole chemistry. An improved synthesis of ethyl pyrrole-2-carboxylate esters from diethyl aminomalonate". The Journal of Organic Chemistry. 50 (26): 5598–5604. doi:10.1021/jo00350a033.
Bullock, E.; Johnson, A. W.; Markham, E.; Shaw, K. B. (1958). "287. A synthesis of coproporphyrin III". Journal of the Chemical Society (Resumed): 1430–1440. doi:10.1039/JR9580001430.
Paine, John B.; Brough, Jonathan R.; Buller, Kathy K.; Erikson, Erika E.; Dolphin, D. (1987). "Mechanism of the formation of N,N-dialkyl-2-pyrrolecarboxamides from 1,3-diketones and N,N-dialkyloximinoacetoacetamides". The Journal of Organic Chemistry. 52 (18): 3993–3997. doi:10.1021/jo00227a010.
Rapoport, Henry; Harbuct, John W. (1971). "Mechanism of a modified Knorr pyrrole condensation". The Journal of Organic Chemistry. 36 (6): 853–855. doi:10.1021/jo00805a030.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Corwin, Alsoph H.; Bailey, William A.; Viohl, Paul (1942). "Structural Investigations upon a Substituted Dipyrrylmethane. An Unusual Melting Point-Symmetry Relationship". Journal of the American Chemical Society. 64 (6): 1267–1273. Bibcode:1942JAChS..64.1267C. doi:10.1021/ja01258a007.
Kleinspehn, George G. (1955). "A Novel Route to Certain 2-Pyrrolecarboxylic Esters and Nitriles". Journal of the American Chemical Society. 77 (6): 1546–1548. Bibcode:1955JAChS..77.1546K. doi:10.1021/ja01611a043.

hathitrust.org (Global: 441^st place; English: 311^th place)

babel.hathitrust.org

Zanetti, C. U.; Levi, E. (1894). "Sintesi di composti pirrolici dai nitrosochetoni" [Synthesis of pyrrole compounds from nitrosoketones]. La Gazzetta Chimica Italiana (in Italian). 24 (1): 546–554.

orgsyn.org (Global: 2,971^st place; English: 2,826^th place)

Fischer, Hans (1935). "2,4-Dimethyl-3,5-dicarbethoxypyrrole (2,4-Pyrroledicarboxylic acid, 3,5-dimethyl-, diethyl ester)". Organic Syntheses. 15: 17. doi:10.15227/orgsyn.015.0017; Collected Volumes, vol. 2, p. 202.
Fischer, Hans (1941). "Kryptopyrrole (Pyrrole, 2,4-dimethyl-3-ethyl)". Organic Syntheses. 21: 67. doi:10.15227/orgsyn.021.0067; Collected Volumes, vol. 3, p. 513.

zenodo.org (Global: 621^st place; English: 380^th place)

Knorr, Ludwig (1884). "Synthese von Pyrrolderivaten" [Synthesis of pyrrole derivatives]. Berichte der deutschen chemischen Gesellschaft (in German). 17 (2): 1635–1642. doi:10.1002/cber.18840170220.
Knorr, Ludwig (1886). "Synthetische Versuche mit dem Acetessigester" [Synthetic experiments with the ester of acetoacetic acid] (PDF). Annalen der Chemie (in German). 236 (3): 290–332. doi:10.1002/jlac.18862360303.
Knorr, L.; Lange, H. (1902). "Ueber die Bildung von Pyrrolderivaten aus Isonitrosoketonen" [On the formation of pyrrole derivatives from isonitrosoketones]. Berichte der deutschen chemischen Gesellschaft (in German). 35 (3): 2998–3008. doi:10.1002/cber.19020350392.

Knorr pyrrole synthesis (English Wikipedia)

doi.org (Global: 2nd place; English: 2nd place)

harvard.edu (Global: 18th place; English: 17th place)