(22S,23S)-Homobrassinolide
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(22S,23S)-Homobrassinolide
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CAS No:
80483-89-2
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Formula:
C29H50O6
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Chemical Name:
(22S,23S)-Homobrassinolide
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Synonyms:
6H-Benz[c]indeno[5,4-e]oxepin-6-one,1-[(1S,2S,3S,4S)-4-ethyl-2,3-dihydroxy-1,5-dimethylhexyl]hexadecahydro-8,9-dihydroxy-10a,12a-dimethyl-,(1R,3aS,3bS,6aS,8S,9R,10aR,10bS,12aS)-;B-Homo-7-oxastigmastan-6-one,2,3,22,23-tetrahydroxy-,(2α,3α,5α,22S,23S)-;(1R,3aS,3bS,6aS,8S,9R,10aR,10bS,12aS)-1-[(1S,2S,3S,4S)-4-Ethyl-2,3-dihydroxy-1,5-dimethylhexyl]hexadecahydro-8,9-dihydroxy-10a,12a-dimethyl-6H-benz[c]indeno[5,4-e]oxepin-6-one;(22S,23S)-Homobrassinolide;Isohomobrassinolide;6H-Benz[c]indeno[5,4-e]oxepin-6-one,1-(4-ethyl-2,3-dihydroxy-1,5-dimethylhexyl)hexadecahydro-8,9-dihydroxy-10a,12a-dimethyl-,[1R-[1α(1S*,2S*,3S*,4S*),3aβ,3bα,6aβ,8β,9β,10aα,10bβ,12aα]]-;22,23-Diepi-28-homobrassinolide;BR 120;(22S,23S)-28-Homobrassinolide;28-Epihomobrassinolide;90762-61-1
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CAS No:
Characteristics
107.22000
3.65
Solid
1.1±0.1 g/cm3
193-194°C
643.0±55.0 °C at 760 mmHg
203.2±25.0 °C
1.533
(22S,23S)-Homobrassinolide Use and Manufacturing
This mouth was originally extracted and refined from rape pollen. Since the USDA Mitchell research team determined its structure, synthesis began in 1985. The bryolide lactone is prepared from ergosterol through mesylation to produce ergosterol mesylate, hydrolyzed to obtain isoergosterol, oxidation to produce the corresponding enone, reduction to produce ketone, ring opening to obtain dienone, hydroxyl It can be converted into tetrahydroxy ketone, and the ring expansion can be used to prepare mossine lactone. The reaction process:
A new class of steroidal phytohormones with high growth-promoting and antistress activity.
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