Stereoselective synthesis of plant growth-prompting steroids, brassinolide, castasterone, typhasterol, and their 28-nor analogues
- 1 January 1984
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 2,p. 139-146
- https://doi.org/10.1039/p19840000139
Abstract
Plant growth-promoting steroids, brassinolide (1a), (22R,23R,24S)-2α,3α,22,23-tetrahydroxy-B-homo-7-oxa-5α-ergostan-6-one, castasterone (2a), (22R,23R,24S)-2α,3α,22,23-tetrahydroxy-5α-ergo-stan-6-one, 28-norbrassinolide (1b), (22R,23R)-2α,3α,22,23-tetrahydroxy-B-homo-7-oxa-5α-chole-stan-6-one, brassinone (2b), (22R,23R)-2α,3α,22,23-tetrahydroxy-5α-cholestan-6-one, and typh-asterol (2c), (22R,23R,24S)-3α,22,23-trihydroxy-5α.-ergostan-6-one, have been stereoselectively synthesized. These steroids show very strong biological activities in three different kinds of bioassays.This publication has 11 references indexed in Scilit:
- Synthesis of castasterone and its 22S,23S-isomer : two plant growth promoting ketonesJournal of the Chemical Society, Perkin Transactions 1, 1983
- A new synthesis of brassino steroids: plant growth promoting steroidsJournal of the Chemical Society, Perkin Transactions 1, 1983
- Synthesis of (24R)-28-homobrassinolide analogues and structure-activity relationships of brassinosteroids in the rice-lamina inclination testPhytochemistry, 1983
- The activity and interaction of brassinolide and gibberellic acid in mung bean epicotylsPhysiologia Plantarum, 1982
- Synthesis of brassinosteroids and relationship of structure to plant growth-promoting effectsSteroids, 1982
- Synthesis of (22S, 23S)-homobrassinolide and brassinolide from stigmasterolTetrahedron, 1982
- Brassinolide, a growth‐promoting steroidal lactonePhysiologia Plantarum, 1981
- Brassinolide, a growth‐promoting steroidal lactonePhysiologia Plantarum, 1981
- Synthesis and biological activity of brassinolide and its 22β,23β-isomer: Novel plant growth-promoting steroidsSteroids, 1981
- Biosynthesis of β-sitosterol from [4-13C]mevalonic acid and sodium [1,2-13C]acetate in tissue cultures of Isodon japonicus haraJournal of the Chemical Society, Chemical Communications, 1978