Rainer Kupfer

502 total citations
21 papers, 417 citations indexed

About

Rainer Kupfer is a scholar working on Organic Chemistry, Physical and Theoretical Chemistry and Molecular Biology. According to data from OpenAlex, Rainer Kupfer has authored 21 papers receiving a total of 417 indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Organic Chemistry, 9 papers in Physical and Theoretical Chemistry and 4 papers in Molecular Biology. Recurrent topics in Rainer Kupfer's work include Chemical Reactions and Mechanisms (9 papers), Chemical Reaction Mechanisms (5 papers) and Chemical Synthesis and Analysis (4 papers). Rainer Kupfer is often cited by papers focused on Chemical Reactions and Mechanisms (9 papers), Chemical Reaction Mechanisms (5 papers) and Chemical Synthesis and Analysis (4 papers). Rainer Kupfer collaborates with scholars based in Germany. Rainer Kupfer's co-authors include E.‐U. Würthwein, Rudolf Allmann, Peter H. M. Budzelaar and Horst P. Beck and has published in prestigious journals such as Angewandte Chemie International Edition, Tetrahedron Letters and Synthesis.

In The Last Decade

Rainer Kupfer

21 papers receiving 403 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Rainer Kupfer Germany	12	369	73	73	72	32	21	417
Udo Kunze Germany	10	445 1.2×	35 0.5×	255 3.5×	25 0.3×	21 0.7×	51	513
Karl R. Wursthorn United States	10	277 0.8×	19 0.3×	69 0.9×	32 0.4×	21 0.7×	16	297
H.A. Budding Hungary	13	501 1.4×	27 0.4×	137 1.9×	41 0.6×	19 0.6×	28	553
John A. Landgrebe United States	14	367 1.0×	73 1.0×	38 0.5×	34 0.5×	52 1.6×	46	460
P. Cadiot France	12	306 0.8×	12 0.2×	113 1.5×	76 1.1×	25 0.8×	30	352
Alexander P. Fung United States	13	322 0.9×	21 0.3×	85 1.2×	72 1.0×	63 2.0×	27	429
Lewis F. Hatch United States	10	171 0.5×	20 0.3×	50 0.7×	33 0.5×	46 1.4×	36	267
David F. Marten United States	10	281 0.8×	15 0.2×	135 1.8×	34 0.5×	17 0.5×	20	346
Janusz Oszczapowicz Poland	12	228 0.6×	49 0.7×	25 0.3×	106 1.5×	125 3.9×	41	379
Raymond D. Baechler United States	12	432 1.2×	37 0.5×	249 3.4×	63 0.9×	68 2.1×	17	514

Countries citing papers authored by Rainer Kupfer

Since Specialization

Citations

This map shows the geographic impact of Rainer Kupfer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Rainer Kupfer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Rainer Kupfer more than expected).

Fields of papers citing papers by Rainer Kupfer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Rainer Kupfer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Rainer Kupfer. The network helps show where Rainer Kupfer may publish in the future.

Co-authorship network of co-authors of Rainer Kupfer

This figure shows the co-authorship network connecting the top 25 collaborators of Rainer Kupfer. A scholar is included among the top collaborators of Rainer Kupfer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Rainer Kupfer. Rainer Kupfer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Kupfer, Rainer, et al.. (1992). 1,1,3,3‐Tetraalkoxy‐2‐azaallylium‐Salze: Darstellung und stereochemische Eigenschaften. Chemische Berichte. 125(11). 2487–2492. 13 indexed citations

Kupfer, Rainer, et al.. (1991). Improved Demulsifier Chemistry: A Novel Approach in the Dehydration of Crude Oil. SPE Production Engineering. 6(3). 334–338. 31 indexed citations

Würthwein, E.‐U., et al.. (1988). Zur Struktur von N‐Methylencarbamidsäureestern: Kristallstrukturbestimmung, spektroskopische Untersuchung und quantenmechanische Berechnungen. Chemische Berichte. 121(4). 591–596. 7 indexed citations

Kupfer, Rainer, et al.. (1988). Synthesen, Struktur und Eigenschaften von 1,1,3‐Trialkoxy‐2‐azapropenylium‐Salzen. Chemische Berichte. 121(9). 1657–1664. 21 indexed citations

Würthwein, E.‐U., et al.. (1988). Zur Struktur von N‐(Dialkoxymethylen)carbonsäureamiden: Kristallstrukturbestimmung, quantenmechanische Berechnungen und spektroskopische Untersuchungen. Chemische Berichte. 121(5). 991–998. 4 indexed citations

Kupfer, Rainer, et al.. (1987). Synthesen, Struktur und Eigenschaften von 1,1‐Dialkoxy‐2‐azapropenylium‐Salzen. Chemische Berichte. 120(8). 1271–1279. 18 indexed citations

Kupfer, Rainer, et al.. (1986). Synthese, Struktur und Eigenschaften von N‐(Dialkoxymethylen)carbamidsäureestern. Chemische Berichte. 119(11). 3236–3246. 7 indexed citations

Allmann, Rudolf, et al.. (1986). Synthesen, Struktur und Eigenschaften von N‐(Alkoxymethylen)carbamidsäureestern. Chemische Berichte. 119(8). 2444–2457. 5 indexed citations

Würthwein, E.‐U. & Rainer Kupfer. (1986). Synthese und Eigenschaften von 1,3‐Dialkoxy‐2‐azapropenylium‐Salzen. Chemische Berichte. 119(5). 1557–1568. 11 indexed citations

10.

Kupfer, Rainer & E.‐U. Würthwein. (1986). Synthese und Eigenschaften von substituierten 1‐Alkoxy‐2‐azaallenium‐Salzen. Chemische Berichte. 119(3). 857–871. 10 indexed citations

11.

Kupfer, Rainer, et al.. (1985). 1‐Alkoxy‐2‐azaallenium‐Salze: Röntgenographische und quantenmechanische Strukturuntersuchungen. Chemische Berichte. 118(2). 643–652. 40 indexed citations

12.

Würthwein, E.‐U., et al.. (1985). Ein neuer, einfacher Weg zu 2‐Aza‐allenium‐Salzen – Bis(2‐adamantyliden)ammonium‐ hexachloroantimonat. Angewandte Chemie. 97(4). 327–328. 11 indexed citations

13.

Kupfer, Rainer, et al.. (1985). Synthese und Struktur von N‐Acylimidsäureestern. Chemische Berichte. 118(8). 3089–3104. 36 indexed citations

14.

Kupfer, Rainer & E.‐U. Würthwein. (1985). Polyalkoxy-2-aza-propenylium salts. Tetrahedron Letters. 26(30). 3547–3550. 14 indexed citations

15.

Würthwein, E.‐U., et al.. (1985). A New, Facile Route to 2‐Azaallenium Salts—Bis(2‐adamantylidene)ammonium Hexachloroantimonate. Angewandte Chemie International Edition in English. 24(4). 340–341. 11 indexed citations

16.

Würthwein, E.‐U., et al.. (1985). Strukturuntersuchungen zum System 1,3‐Dialkoxy‐2‐aza‐allenium‐Ionen/1,3‐Dialkoxy‐2‐aza‐allyl‐Kationen. Chemische Berichte. 118(9). 3632–3642. 28 indexed citations

17.

Kupfer, Rainer, et al.. (1984). A Facile Method for the Synthesis of SubstitutedN-Methylenecarboxamides and AlkylN-Methylenecarbamates. Synthesis. 1984(8). 688–690. 69 indexed citations

18.

Würthwein, E.‐U., et al.. (1983). Reactions of N‐Methylenecarboxamides with Electrophiles: 1‐Alkoxy‐2‐azaallenium Salts and N‐Acyl(methylene)ammonium Salts. Angewandte Chemie International Edition in English. 22(3). 252–253. 21 indexed citations

19.

Würthwein, E.‐U., et al.. (1983). Reaktionen von N‐Methylencarbonsäureamiden mit Elektrophilen: 1‐Alkoxy‐2‐aza‐allenium‐Salze und N‐Acyl(methylen)ammonium‐Salze. Angewandte Chemie. 95(3). 247–248. 23 indexed citations

20.

Kupfer, Rainer, et al.. (1983). Reaktionen von N-Methylencarbons�ureamiden mit Elektrophilen: 1-Alkoxy-2-aza-allenium-Salze und N-Acyl(methylen)ammonium-Salze. Angewandte Chemie International Edition. 22(S3). 264–270. 4 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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