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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 43 17151 15501 127 111 352 7576

Jochanan Blum publications per year

The chart shows the history of publications by Jochanan Blum between 1956 and 2018, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jochanan Blum published across 63 years, from 1956 to 2018, averaging 5.8 papers a year. Output peaked at 21 publications in 2002. 1 of the 366 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1956 to 2018. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2002. 1956: 1 publication 1957: 0 publications 1958: 0 publications 1959: 1 publication 1960: 1 publication 1961: 2 publications 1962: 1 publication 1963: 0 publications 1964: 4 publications 1965: 1 publication 1966: 1 publication 1967: 4 publications 1968: 1 publication 1969: 3 publications 1970: 4 publications 1971: 3 publications 1972: 6 publications 1973: 5 publications 1974: 10 publications 1975: 9 publications 1976: 5 publications 1977: 10 publications 1978: 6 publications 1979: 9 publications 1980: 5 publications 1981: 13 publications 1982: 4 publications 1983: 10 publications 1984: 18 publications 1985: 6 publications 1986: 6 publications 1987: 11 publications 1988: 5 publications 1989: 8 publications 1990: 10 publications 1991: 13 publications 1992: 8 publications 1993: 9 publications 1994: 13 publications 1995: 7 publications 1996: 11 publications 1997: 9 publications 1998: 6 publications 1999: 5 publications 2000: 9 publications 2001: 8 publications 2002: 21 publications 2003: 8 publications 2004: 7 publications 2005: 3 publications 2006: 7 publications 2007: 4 publications 2008: 5 publications 2009: 3 publications 2010: 3 publications 2011: 5 publications 2012: 4 publications 2013: 7 publications 2014: 6 publications 2015: 1 publication 2016: 0 publications 2017: 0 publications 2018: 1 publication
1956 2018

366 publications in total across all disciplines

View publications per year as a table
Jochanan Blum: publications per year, 1956 to 2018
Year Publications
1956 1
1957 0
1958 0
1959 1
1960 1
1961 2
1962 1
1963 0
1964 4
1965 1
1966 1
1967 4
1968 1
1969 3
1970 4
1971 3
1972 6
1973 5
1974 10
1975 9
1976 5
1977 10
1978 6
1979 9
1980 5
1981 13
1982 4
1983 10
1984 18
1985 6
1986 6
1987 11
1988 5
1989 8
1990 10
1991 13
1992 8
1993 9
1994 13
1995 7
1996 11
1997 9
1998 6
1999 5
2000 9
2001 8
2002 21
2003 8
2004 7
2005 3
2006 7
2007 4
2008 5
2009 3
2010 3
2011 5
2012 4
2013 7
2014 6
2015 1
2016 0
2017 0
2018 1
Total 366
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Jochanan Blum 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 Jochanan Blum 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, 341–360 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: 352 publications — 73rd percentile

73% 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
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
341–360 628 352
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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Jochanan Blum 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 Jochanan Blum 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, 42–43 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: 43 D-Index — 5th percentile

5% 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 43
44–45 808
46–47 776
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

Jochanan Blum is affiliated with the Hebrew University of Jerusalem in Israel, indicating a position within a prominent academic institution. Their professional focus is within the realm of academic research, contributing to the scholarly community through various activities typical of a university researcher.

The available information does not include specific details about recent papers, frequent co-authors, or publication venues, which suggests either a limited public record in these areas or that the data set at hand does not capture this information. Similarly, there are no listed book publications or explicit main fields of study and subfields recorded here.

Without concrete data on research topics, publication titles, or collaborations, it is difficult to outline a precise thematic or disciplinary profile. However, the association with the Hebrew University of Jerusalem might imply involvement in disciplines commonly represented there, potentially spanning the sciences, humanities, or social sciences, depending on departmental affiliations not specified in this data.

As there are no recorded awards or honors, the profile does not highlight any distinctions or recognitions. Also, the scientist is noted as currently living.

Altogether, the profile of Jochanan Blum reflects an academic identity connected to an established institution but with limited public details regarding specific research contributions, topics, or scholarly outputs available in the present data.

Best Publications

  • Dichlorotris(triphenylphosphine)ruthenium-catalyzed hydrogen transfer from alcohols to saturated and .alpha.,.beta.-unsaturated ketones

    Yoel Sasson;Jochanan Blum

  • A new aziridine synthesis from 2-azido alcohols and tertiary phosphines. Preparation of phenanthrene 9,10-imine

    Ytzhak Ittah;Yoel Sasson;Israel Shahak;Shalom Tsaroom

  • Acids and Bases in One Pot while Avoiding Their Mutual Destruction We gratefully acknowledge support from the Israel Science Foundation (grant 96-98-2) and from the Infrastructure (Tashtiot) Project of the Israel Ministry for Science, Arts and Sports; and from the German-Israeli Foundation for Scientific Research and Development (Grant No. I-530.045.05/97).

    Faina Gelman;Jochanan Blum;David Avnir

  • A Novel platinum tetrachloride-catalyzed cyclorearrangement of allyl propynyl ethers to 3-oxabicyclo[4.1.0]heptenes.

    Jochanan Blum;Hanita Beer-Kraft;Yacoub Badrieh

  • Hydration of Alkynes by a PtCl4−CO Catalyst

    Waël Baidossi;Michal Lahav;Jochanan Blum

  • Acids and Bases in One Pot while Avoiding Their Mutual Destruction

    Faina Gelman;Jochanan Blum;David Avnir

  • Decarbonylation of aromatic carbonyl compounds catalyzed by rhodium complexes

    Jochanan. Blum;Edna. Oppenheimer;Ernst D. Bergmann

  • Homogeneous catalytic transfer-hydrogenation of α, β-unsaturated carbonyl compounds by dichlorotris (triphenylphosphine) ruthenium (II)

    Yoel Sasson;Jochanan Blum

  • One-pot sequences of reactions with sol-gel entrapped opposing reagents: an enzyme and metal-complex catalysts.

    Faina Gelman;Jochanan Blum;David Avnir

  • Alkyne hydration promoted by RhCl3 and quaternary ammonium salts

    Jochanan Blum;Hagai Huminer;Howard Alper

  • One-Pot Reactions with Opposing Reagents: Sol−Gel Entrapped Catalyst and Base

    Faina Gelman;and Jochanan Blum;David Avnir

  • Sol-gel encapsulated transition-metal catalysts

    J. Blum;D. Avnir;H. Schumann

  • Palladium-Catalyzed Methylation of Aryl and Vinyl Halides by Stabilized Methylaluminum and Methylgallium Complexes

    Jochanan Blum;Dmitri Gelman;Waël Baidossi;Eduard Shakh

  • Palladium-catalyzed decomposition of aqueous alkali metal formate solutions

    Harold Wiener;Yoel Sasson;Jochanan Blum

  • Studies on the mechanism of transfer hydrogenation of nitro arenes by formate salts catalyzed by palladium/carbon

    Harold Wiener;Jochanan Blum;Yoel Sasson

  • Transfer hydrogenolysis of aryl halides and other hydrogen acceptors by formate salts in the presence of palladium/carbon catalyst

    Harold Wiener;Jochanan Blum;Yoel Sasson

  • Hydrogenation of arenes by the RhCl3-Aliquat 336 catalyst. 4. Hydrogen-deuterium exchange and other mechanistic features

    Jochanan Blum;Ibrahim Amer;K. Peter C. Vollhardt;Helmut Schwarz

  • Sol–gel entrapped chiral rhodium and ruthenium complexes as recyclable catalysts for the hydrogenation of itaconic acid

    Faina Gelman;David Avnir;Herbert Schumann;Jochanan Blum

  • Catalytic hydrogenation of olefins, acetylenes and arenes by rhodium trichloride and aliquat-336 under phase transfer conditions

    Jochanan Blum;Ibrahim Amer;Amikam Zoran;Yoel Sasson

  • Reversible ion-pair extraction in a biphasic system. application in transition metal-catalyzed isomerization of allylic compounds

    Yoel Sasson;Amikam Zoran;Jochanan Blum

  • A New Synthesis of Hydrophilic Carboxylated Arylphosphines

    V. Ravindar;H. Hemling;H. Schumann;J. Blum

  • Sol–gel entrapped TEMPO for the selective oxidation of methyl α-D-glucopyranoside

    Rosaria Ciriminna;Jochanan Blum;David Avnir;Mario Pagliaro

Frequent Co-Authors

Herbert Schumann
Herbert Schumann Technical University of Berlin
Yoel Sasson
Yoel Sasson Hebrew University of Jerusalem
David Avnir
David Avnir Hebrew University of Jerusalem
Reinhard Schomäcker
Reinhard Schomäcker Technical University of Berlin
Ronald G. Harvey
Ronald G. Harvey University of Chicago
Hansruedi Glatt
Hansruedi Glatt Federal Institute for Risk Assessment
Gary A. Molander
Gary A. Molander University of Pennsylvania
Helmut Schwarz
Helmut Schwarz Technical University of Berlin
K. Peter C. Vollhardt
K. Peter C. Vollhardt University of California, Berkeley
David Milstein
David Milstein Weizmann Institute of Science

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