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George Zweifel

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 47 15714 3944 142 7297

George Zweifel publications per year

The chart shows the history of publications by George Zweifel between 1957 and 2011, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. George Zweifel published across 55 years, from 1957 to 2011, averaging 2.6 papers a year. Output peaked at 10 publications in 1971. 2 of the 142 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1957 to 2011. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 1971. 1957: 1 publication 1958: 0 publications 1959: 7 publications 1960: 5 publications 1961: 4 publications 1962: 4 publications 1963: 3 publications 1964: 5 publications 1965: 1 publication 1966: 5 publications 1967: 9 publications 1968: 2 publications 1969: 0 publications 1970: 6 publications 1971: 10 publications 1972: 6 publications 1973: 3 publications 1974: 5 publications 1975: 2 publications 1976: 3 publications 1977: 4 publications 1978: 6 publications 1979: 2 publications 1980: 3 publications 1981: 5 publications 1982: 4 publications 1983: 3 publications 1984: 3 publications 1985: 3 publications 1986: 2 publications 1987: 2 publications 1988: 8 publications 1989: 1 publication 1990: 2 publications 1991: 2 publications 1992: 2 publications 1993: 1 publication 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 4 publications 2003: 0 publications 2004: 1 publication 2005: 0 publications 2006: 1 publication 2007: 0 publications 2008: 0 publications 2009: 0 publications 2010: 1 publication 2011: 1 publication
1957 2011

142 publications in total across all disciplines

View publications per year as a table
George Zweifel: publications per year, 1957 to 2011
Year Publications
1957 1
1958 0
1959 7
1960 5
1961 4
1962 4
1963 3
1964 5
1965 1
1966 5
1967 9
1968 2
1969 0
1970 6
1971 10
1972 6
1973 3
1974 5
1975 2
1976 3
1977 4
1978 6
1979 2
1980 3
1981 5
1982 4
1983 3
1984 3
1985 3
1986 2
1987 2
1988 8
1989 1
1990 2
1991 2
1992 2
1993 1
1994 0
1995 0
1996 0
1997 0
1998 0
1999 0
2000 0
2001 0
2002 4
2003 0
2004 1
2005 0
2006 1
2007 0
2008 0
2009 0
2010 1
2011 1
Total 142
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George Zweifel publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where George Zweifel sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 141–160 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 142 publications — 11th percentile

11% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218 142
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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George Zweifel D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where George Zweifel sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 46–47 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 47 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776 47
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

George Zweifel is affiliated with the University of California, Davis in the United States. Their academic profile does not include recent publications, specified co-authors, or dominant publication venues based on the currently available data.

There is no detailed information provided about their specific fields or subfields of study, which indicates either a broad interdisciplinary approach or a lack of publicly indexed research output at the present time.

The scientist's record does not list any book publications or awards, suggesting a research focus potentially centered on articles, reports, or non-book formats, or simply a limited public record.

Since there are no accessible records of main topics of work or detailed publication data, it is not possible to delineate specific thematic research areas or evolving academic interests within their career.

The current data confirms that George Zweifel is an active researcher and is not deceased. This leaves open the possibility of future updates to their research profile as new work becomes available or indexed.

Best Publications

  • A convenient stereoselective synthesis of substituted alkenes via hydroboration-iodination of alkynes

    George. Zweifel;Henri. Arzoumanian;Charles C. Whitney

  • Hydroboration. IX. The Hydroboration of Cyclic and Bicyclic Olefins—Stereochemistry of the Hydroboration Reaction

    Herbert C. Brown;George Zweifel

  • HYDROBORATION AS A CONVENIENT PROCEDURE FOR THE ASYMMETRIC SYNTHESIS OF ALCOHOLS OF HIGH OPTICAL PURITY

    Herbert C. Brown;George Zweifel

  • Novel method for the synthesis of isomerically pure vinyl halides from alkynes via the hydroalumination reaction

    George. Zweifel;Charles C. Whitney

  • Hydroboration. XI. The Hydroboration of Acetylenes—A Convenient Conversion of Internal Acetylenes into cis-Olefins and of Terminal Acetylenes into Aldehydes

    Herbert C. Brown;George Zweifel

  • Hydroboration. VII. Directive Effects in the Hydroboration of Olefins

    Herbert C. Brown;George Zweifel

  • A STEREOSPECIFIC CIS HYDRATION OF THE DOUBLE BOND IN CYCLIC DERIVATIVES

    Herbert C. Brown;George Zweifel

  • Hydroboration of Terpenes. II. The Hydroboration of α- and β-Pinene-The Absolute Configuration of the Dialkylborane from the Hydroboration of α-Pinene

    George. Zweifel;Herbert C. Brown

  • Stereoselective syntheses of ((E)- and (Z)-1-halo-1-alkenyl)silanes from alkynes

    George Zweifel;William Lewis

  • Syntheses Using Alkyne‐Derived Alkenyl‐ and Alkynylaluminum Compounds

    George Zweifel;Joseph A. Miller

  • Hydroboration. VIII. Bis-3-methyl-2-butylborane as a Selective Reagent for the Hydroboration of Alkenes and Dienes

    Herbert C. Brown;George Zweifel

  • Selective hydroboration of conjugated diynes with dialkylboranes. A convenient route to conjugated cis-enynes, .alpha.,.beta.-acetylenic ketones, and cis,cis-dienes

    George Zweifel;Norman L. Polston

  • .alpha.-Halovinylboranes. Theiir preparation and conversion into.alpha.-Halovinylboranes. Their preparation and conversion into cis-vinyl halides, trans-olefins, ketones, and transvinylboranes

    George. Zweifel;Henri. Arzoumanian

  • Hydroboration. XVIII. The Reaction of Diisopinocampheylborane with Representative cis-Acyclic, Cyclic, and Bicyclic Olefins. A Convenient Systhesis of Optically Active Alcohols and Olefins of High Optical Purity and Established Configuration

    Herbert C. Brown;Nagaraj R. Ayyangar;George. Zweifel

  • STEREOSELECTIVE SYNTHESES OF ALKENYL SUBSTITUTED 1,3-DIOXOLANES OR 4,7-DIHYDRO-1,3-DIOXEPINS OR AN (E)-α,β-UNSATURATED ALDEHYDE FROM (Z)-2-BUTENE-1,4-DIOLS

    George Zweifel;Teresa Leung;M. Ramin Najafi;Samir Najdi

  • Hydroboration. V. A Study of Convenient New Preparative Procedures for the Hydroboration of Olefins

    Herbert C. Brown;Kenneth J. Murray;Leo J. Murray;John A. Snover

  • A stereoselective synthesis of conjugated dienes from alkynes via the hydroboration-iodination reaction

    George Zweifel;Norman L. Polston;Charles C. Whitney

  • Hydroboration. XII. The Hydroboration of Dienes with Diborane

    George. Zweifel;Kunihko. Nagase;Herbert C. Brown

  • Preparation of Phenyl Cyanate and Its Utilization for the Synthesis of α,β-Unsaturated Nitriles

    Rex E. Murray;George Zweifel

  • Novel syntheses of monosubstituted acetic, .alpha.,.beta.-unsaturated, and .beta.,.gamma.-unsaturated acids via silylation, hydroboration, and oxidation of the ethynyl group of 1-alkynes and functionally substituted 1-alkynes

    George Zweifel;Stephen J. Backlund

Frequent Co-Authors

Herbert C. Brown
Herbert C. Brown Purdue University West Lafayette
William Lewis
William Lewis University of Sydney

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Best Scientists Citing George Zweifel

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Purdue University West Lafayette

Publications: 62

Varinder K. Aggarwal

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University of Bristol

Publications: 41

Ei-ichi Negishi

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Purdue University West Lafayette

Publications: 30

Gerhard Erker

Gerhard Erker

University of Münster

Publications: 26

Donald S. Matteson

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Washington State University

Publications: 25

Gerald Kehr

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Publications: 24

Constantin G. Daniliuc

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Publications: 20

Paul Knochel

Paul Knochel

Ludwig-Maximilians-Universität München

Publications: 19

Hitosi Nozaki

Hitosi Nozaki

Okayama University

Publications: 16

Bernd Wrackmeyer

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University of Bayreuth

Publications: 16

Akira Suzuki

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Hokkaido University

Publications: 14

Jean F. Normant

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Centre national de la recherche scientifique, CNRS

Publications: 13

Andrew Pelter

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Swansea University

Publications: 12

William R. Roush

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