Trivial,
systematic and semisystematic names of natural brassinosteroids
|
Trivial name(s)a |
Systematic name(s)b |
Semisystematic namec |
Numberd |
Classificatione |
Referencef |
|
Brassinolide |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-6,7-seco-5a-campestano-6,7-lactone |
Brassinostanolactone (Brassinolide) |
BR1 |
Bl |
Grove et al., 1979 |
|
28-Homobrassinolide |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-6,7-seco-5a-stigmastano-6,7-lactone |
28-Homobrassinostanolactone (28-Homobrassinolide) |
BR17 |
HBl |
Ikekawa et al., 1984 |
|
Dolicholide |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-6,7-seco-24-methylene-5a-cholestano-6,7-lactone |
Brassinost-24(28)-enolactone [24(28)-Didehydrobrassinolide] |
BR3 |
BDl |
Yokota et al., 1982b |
|
28-Homodolicholide (Homodolicholide) |
(22R,23R,24E)-2a,3a,22,23-Tetrahydroxy-6,7-seco-24-ethylidene-5a-cholestano-6,7-lactone |
(24E)-28-Homobrassinost-24(28)-enolactone [(24E)-28-Homo-24(28)-didehydrobrassinolide] |
BR10 |
HBDl |
Yokota et al.,
1983a |
|
28-Norbrassinolide |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-6,7-seco-5a-cholestano-6,7-lactone |
28-Norbrassinostanolactone (28-Norbrassinolide) |
BR14 |
NBl |
Abe et
al., 1983 |
|
24-Epibrassinolide |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-6,7-seco-5a-ergostano-6,7-lactone |
24-Epibrassinostanolactone (24-Epibrassinolide) |
BR27 |
Ebl |
Ikekawa et al.,
1988 |
|
3-Epibrassinolide |
(22R,23R)-2a,3b,22,23-Tetrahydroxy-6,7-seco-5a-campestano-6,7-lactone |
3-Epibrassinostanolactone (3-Epibrassinolide) |
BR51 |
Bl3b |
Konstantinova et al., 2001 |
|
2-Deoxybrassinolide |
(22R,23R)-3a,22,23-Trihydroxy-6,7-seco-5a-campestano-6,7-lactone |
2-Deoxybrassinostanolactone (2-Deoxybrassinolide) |
BR43 |
HBl2d |
Schmidt
et al., 1995b |
|
Castasterone (Brassinone; Brassinosterone) |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-5a-campestan-6-one |
Brassinostanone (Brassinone) |
BR2 |
Bk |
Yokota et al., 1982a |
|
28-Homocastasterone
[Homobrassinosterone;
(24S)-24-Ethylbrassinosterone; 24-Ethylbrassinone] |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-5a-stigmastan-6-one |
28-Homobrassinostanone (28-Homobrassinone) |
BR12 |
HBk |
Abe et
al., 1983 |
|
Dolichosterone |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-24-methylene-5a-cholestan-6-one |
Brassinost-24(28)-enone [24(28)-Didehydrobrassinone] |
BR4 |
BDk |
Baba et al.,
1983 |
|
28-Homodolichosterone (Homodolichosterone) |
(22R,23R,24E)-2a,3a,22,23-Tetrahydroxy-24-ethylidene-5a-cholestan-6-one |
(24E)-28-Homobrassinost-24(28)-enone [(24E)-28-Homo-24(28)-didehydrobrassinone] |
BR11 |
HBDk |
Baba et
al., 1983 |
|
28-Norcastasterone
(28-Norbrassinosterone; Brassinone) |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-5a-cholestan-6-one |
28-Norbrassinostanone (28-Norbrassinone) |
BR15 |
NBk |
Abe et
al., 1983 |
|
24-Epicastasterone
(24-Epibrassinosterone) |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-5a-ergostan-6-one |
24-Epibrassinostanone (24-Epibrassinone) |
BR9 |
Ebk |
Yokota et al.,
1987a |
|
25-Methylcastasterone |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-25-methyl-5a-campestan-6-one |
25-Methylbrassinostanone (25-Methylbrassinone) |
BR33 |
25HBk |
Taylor et
al., 1993 |
|
25-Methyldolichosterone |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-25-methyl-24-methylene-5a-cholestan-6-one |
25-Methylbrassinost-24(28)-enone [25-Methyl-24(28)-didehydrobrassinone] |
BR16 |
25HBDk |
Kim et al.,
1987 |
|
2-Epicastasterone |
(22R,23R)-2b,3a,22,23-Tetrahydroxy-5a-campestan-6-one |
2-Epibrassinostanone (2-Epibrassinone) |
BR20 |
Bk2b |
Takahashi et
al., 1987 |
|
2-Epi-25-methyldolichosterone |
(22R,23R)-2b,3a,22,23-Tetrahydroxy-25-methyl-24-methylene-5a-cholestan-6-one |
2-Epi-25-methylbrassinost-24(28)-enone [2-Epi-25-methyl-24(28)-didehydrobrassinone] |
BR24 |
25HBDk2b |
Takahashi et al.,
1987 |
|
3-Epicastasterone |
(22R,23R)-2a,3b,22,23-Tetrahydroxy-5a-campestan-6-one |
3-Epibrassinostanone (3-Epibrassinone) |
BR21 |
Bk3b |
Takahashi
et al., 1987 |
|
3,24-Diepicastasterone |
(22R,23R)-2a,3b,22,23-Tetrahydroxy-5a-ergostan-6-one |
3,24-Diepibrassinostanone (3,24-Diepibrassinone) |
BR23 |
Ebk3b |
Takahashi et al.,
1987 |
|
2,3-Diepicastasterone |
(22R,23R)-2b,3b,22,23-Tetrahydroxy-5a-campestan-6-one |
2,3-Diepibrassinostanone (2,3-Diepibrassinone) |
BR22 |
Bk2b3b |
Takahashi
et al., 1987 |
|
2,3-Diepi-25-methyldolichosterone |
(22R,23R)-2b,3b,22,23-Tetrahydroxy-25-methyl-24-methylene-5a-cholestan-6-one |
2,3-Diepi-25-methylbrassinost-24(28)-enone [2,3-Diepi-25-methyl-24(28)-didehydrobrassinone] |
BR25 |
25HBk2b3b |
Takahashi
et al., 1987 |
|
1b-Hydroxycastasterone |
(22R,23R)-1b,2a,3a,22,23-Pentahydroxy-5a-campestan-6-one |
1b-Hydroxybrassinostanone (1b-Hydroxybrassinone) |
BR28 |
1b-hydroxyBk |
Kim,
1988 (Kim, 1991) |
|
1a-Hydroxy-3-epicastasterone (3-Epi-1a-hydroxycastasterone) |
(22R,23R)-1a,2a,3b,22,23-Pentahydroxy-5a-campestan-6-one |
1a-Hydroxy-3-epibrassinostanone (1a-Hydroxy-3-epibrassinone) |
BR29 |
1a-hydroxyBk3b |
Kim,
1988 (Kim, 1991) |
|
Typhasterol (Typhasterone;
2-Deoxybrassinosterone) |
(22R,23R)-3a,22,23-Trihydroxy-5a-campestan-6-one |
2-Deoxybrassinostanone (2-Deoxybrassinone) |
BR7 |
Bk2d |
Schneider
et al., 1983 |
|
28-Homotyphasterol |
(22R,23R)-3a,22,23-Trihydroxy-5a-stigmastan-6-one |
2-Deoxy-28-homobrassinostanone (2-Deoxy-28-homobrassinone) |
BR37 |
HBk2d |
Abe et
al., 1995 |
|
2-Deoxy-25-methyldolichosterone |
(22R,23R)-3a,22,23-Trihydroxy-25-methyl-24-methylene-5a-cholestan-6-one |
2-Deoxy-25-methylbrassinost-24(28)-enone [2-Deoxy-25-methyl-24(28)-didehydrobrassinone] |
BR18 |
25HBDk2d |
Yokota
and Takahashi, 1987 |
|
28-Nortyphasterol |
(22R,23R)-3a,,22,23-Trihydroxy-5a-cholestan-6-one |
2-Deoxy-28-norbrassinostanone (2-Deoxy-28-norbrassinone) |
BR49 |
NBk2d |
Fujioka
et al., 2000b |
|
Teasterone (Theasterone;
3-Epi-2-deoxybrassinosterone) |
(22R,23R)-3b,22,23-Trihydroxy-5a-campestan-6-one |
3-Epi-2-deoxybrassinostanone (3-Epi-2-deoxybrassinone) |
BR8 |
Bk2d3b |
Abe et
al., 1984 |
|
28-Homoteasterone |
(22R,23R)-3b,22,23-Trihydroxy-5a-stigmastan-6-one |
3-Epi-2-deoxy-28-homobrassinostanone (3-Epi-2-deoxy-28-homobrassinone) |
BR34 |
HBk2d3b |
Schmidt
et al., 1993 |
|
3-Epi-2-deoxy-25-methyldolichosterone |
(22R,23R)-3b,22,23-Trihydroxy-25-methyl-24-methylene-5a-cholestan-6-one |
3-Epi-2-deoxy-25-methylbrassinost-24(28)-enone [3-Epi-2-deoxy-25-methyl-24(28)-didehydrobrassinone] |
BR19 |
25HBDk2d3b |
Yokota and
Takahashi, 1987 |
|
3-Dehydroteasterone |
(22R,23R)-22,23-Dihydroxy-5a-campestan-3,6-dione |
3(3-O)-Didehydro-2-deoxybrassinostanone [3(3-O)-Didehydro-2-deoxybrassinone] |
BR36 |
Bk2d3k |
Abe et
al., 1994 Yokota et al.,
1994 |
|
Secasterone |
(22R,23R)-22,23-Dihydroxy-2b,3b-epoxy-5a-campestan-6-one |
2,3-Diepi-2,3-anhydrobrassinostanone (2,3-Diepi-2,3-anhydrobrassinone) |
BR38 |
Bk2,3epoxy |
Schmidt
et al., 1995a |
|
24-Episecasterone |
(22R,23R)-22,23-Dihydroxy-2b,3b-epoxy-5a-ergostan-6-one |
2,3,24-Triepi-2,3-anhydrobrassinostanone (2,3,24-Triepi-2,3-anhydrobrassinone) |
BR46 |
EBk2,3epoxy |
Friebe et al.,
1999 |
|
2,3-Diepisecasterone |
(22R,23R)-22,23-Dihydroxy-2a,3a-epoxy-5a-campestan-6-one |
2,3-Anhydrobrassinostanone (2,3-Anhydrobrassinone) |
BR52 |
EBk2,3epoxy2a3a |
Antonchick et al.,
2003 |
|
Secasterol |
(22R,23R)-22,23-Dihydroxy-5a-campest-2-en-6-one |
2,3-Didehydro-2,3-dideoxybrassinostanone (2,3-Didehydro-2,3-dideoxybrassinone) |
BR53 |
D2-Bk2d3d |
Antonchick et al., 2003 |
|
6a-Hydroxycastasterone |
(22R,23R)-2a,3a,6a,22,23-Pentahydroxy-5a-campestane |
6a-Brassinostanol (6a-Brassinol) |
BR47 |
B6a-hydroxy |
Fujioka et al.,
2000a |
|
6-Deoxocastasterone
(6-Deoxobrassinosterone; 6-Deoxodihydrocastasterone) |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-5a-campestane |
Brassinostane (Brassinane) |
BR5 |
Bd |
Yokota et al.,
1983b |
|
6-Deoxodolichosterone
(6-Deoxodihydrodolichosterone) |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-24-methylene-5a-cholestane |
Brassinost-24(28)-ene [24(28)-Didehydrobrassinane] |
BR6 |
BDd |
Yokota et al.,
1983b |
|
6-Deoxo-28-homodolichosterone
(6-Deoxodihydrohomodolichosterone; 6-Deoxohomodolichosterone) |
(22R,23R,24E)-2a,3a,22,23-Tetrahydroxy-24-ethylidene-5a-cholestane |
(24E)-28-Homobrassinost-24(28)-ene [(24E)-28-Homo-24(28)-didehydrobrassinane] |
BR13 |
HBDd |
Yokota et al.,
1987b |
|
6-Deoxo-28-norcastasterone |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-5a-cholestane |
28-Norbrassinostane (28-Norbrassinane) |
BR41 |
NBd |
Spengler
et al., 1995 |
|
6-Deoxo-24-epicastasterone |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-5a-ergostane |
24-Epibrassinostane (24-Epibrassinane) |
BR42 |
Ebd |
Spengler
et al., 1995 |
|
6-Deoxo-25-methyldolichosterone
(6-Deoxodihydro-25-methyldolichosterone) |
(22R,23R)-2a,3a,22,23-Tetrahydroxy-25-methyl-24-methylene-5a-cholestane |
25-Methylbrassinost-24(28)-ene [25-Methyl-24(28)-dehydrobrassinane] |
BR31 |
25HBDd |
Kim,
1988 (Kim, 1991) |
|
3-Epi-6-deoxocastasterone
(3-Epi-6-deoxodihydrocastasterone) |
(22R,23R)-2a,3b,22,23-Tetrahydroxy-5a-campestane |
3-Epibrassinostane (3-Epibrassinane) |
BR30 |
Bd3b |
Kim,
1988 (Kim, 1991) |
|
6-Deoxotyphasterol |
(22R,23R)-3a,22,23-Trihydroxy-5a-campestane |
2-Deoxybrassinostane (2-Deoxybrassinane) |
BR39 |
Bd2d |
Griffiths
et al., 1995 |
|
6-Deoxo-28-nortyphasterol |
(22R,23R)-3a,22,23-Trihydroxy-5a-cholestane |
2-Deoxy-28-norbrassinostane (2-Deoxy-28-norbrassinane) |
BR50 |
NBd2d |
Yokota et al.,
2001 |
|
6-Deoxoteasterone |
(22R,23R)-3b,22,23-Trihydroxy-5a-campestane |
3-Epi-2-deoxybrassinostane (3-Epi-2-deoxybrassinane) |
BR45 |
Bd2d3b |
Fujioka et al.,
1998 |
|
3-Dehydro-6-deoxoteasterone |
(22R,23R)-22,23-Dihydroxy-5a-campestan-3-one |
3(3-O)-Didehydro-2-deoxybrassinostane [3(3-O)-Didehydro-2-deoxybrassinane] |
BR40 |
B2d3k |
Griffiths
et al., 1995 |
|
Teasterone-3-laurate |
(22R,23R)-22,23-Dihydroxy-6-oxo-5a-campestan-3b-yl dodecanoate
or (22R,23R)-3b-dodecanoyl-22,23-dihydroxy-5a-campestan-6-one |
3-Epi-2-deoxybrassinostanone 3-laurate (3-Epi-2-deoxybrassinone 3-laurate) |
BR44 |
Bk2d3b laurate
|
Asakawa et al.,
1996 |
|
Teasterone-3-myristate |
(22R,23R)-22,23-Dihydroxy-6-oxo-5a-campestan-3b-yl tetradecanoate or (22R,23R)-3b-tetradecanoyl-22,23-dihydroxy-5a-campestan-6-one |
3-Epi-2-deoxybrassinostanone 3-myristate (3-Epi-2-deoxybrassinone 3-myristate) |
BR35 |
Bk2d3b myristate |
Asakawa et al.,
1994 |
|
23-O-b-D-Glucopyranosyl-25-methyldolichosterone |
(22R,23R)-23-O-b-D-Glucopyranosyloxy-2a,3a,22-trihydroxy-25-methyl-24-methylene-5a-cholestan-6-one |
23-O-b-D-Glucopyranosyl-25-methylbrassinost-24(28)-enone [23-O-b-D-Glucopyranosyl-25-methyl-24(28)-didehydrobrassinone] |
BR26 |
23-gly-25HBDk |
Yokota et al.,
1987c |
|
23-O-b-D-Glucopyranosyl-2-epi-25-methyldolichosterone |
(22R,23R)-23-O-b-D-Glucopyranosyloxy-2b,3a,22-trihydroxy-25-methyl-24-methylene-5a-cholestan-6-one |
23-O-b-D-Glucopyranosyl-2-epi-25-methylbrassinost-24(28)-enone [23-O-b-D-Glucopyranosyl-2-epi-25-methyl-24(28)-didehydrobrassinone] |
BR32 |
23-gly-25HBDk2b |
Kim, 1988 (Kim, 1991) |
|
3-O-b-D-Glucopyranosylteasterone |
(22R,23R)-3-O-b-D-Glucopyranosyloxy-22,23-dihydroxy-5a-campestan-6-one |
3-O-b-D-Glucopyranosyl-3-epi-2-deoxybrassinostanone (3-O-b-D-Glucopyranosyl-3-epi-2-deoxybrassinone) |
|
3-gly-Bk2d3b |
Soeno et al.,
2000 |
a Currently accepted trivial names: synonyms already reported in
parenthesis or brackets; b According to International Union of Pure
and Applied Chemistry and International Union of Biochemistry and Molecular Biology,
IUPAC-IUB Joint Commission on Biochemical Nomenclature, The nomenclature of
steroids, Pure and Applied Chemistry 61: 1783-1822, 1989; c
proposed by M. A. T. Zullo & L. Kohout, Semisystematic nomenclature of brassinosteroids,
Plant Growth Regulation 42(1): 15-28, 2004; d BR1-BR16 according to N. B. Mandava (1988), Plant growth-promoting brassinosteroids,
Annual Review of Plant Physiology and Plant Molecular Biology 39:
23-52, the remaining proposed by Zullo & Kohout
(2004); e according to the rules proposed by V. A. Khripach, V. N. Zhabinskii & A. E. De Groot (1999), Brassinosteroids
(BS) in nature, in V. A. Khripach, V. N. Zhabinskii & A. E. De Groot, Brassinosteroids:
a new class of plant hormones, Academic Press, San Diego, Chapter 2, pages 7-23; f First report of isolation or detection.