72050-69-2

Usage

Uses

Used in Plant Growth Regulation:
22S,23S-Epicastasterone is used as a reactant/reagent for the preparation of indolylacetoxy brassinosteroids, which are known for their plant growth-regulating activity. These compounds can enhance various aspects of plant growth, such as cell elongation, division, and differentiation, leading to improved crop yields and quality.
Used in Agricultural Industry:
In the agricultural industry, 22S,23S-Epicastasterone is used as a growth regulator to promote healthy plant growth and development. Its application can lead to increased resistance against environmental stresses, such as drought, salinity, and temperature fluctuations, ultimately resulting in better crop productivity and resilience.
Used in Pharmaceutical Industry:
Although not explicitly mentioned in the provided materials, 22S,23S-Epicastasterone, due to its hormonal properties, may also have potential applications in the pharmaceutical industry. It could be used as a starting material for the synthesis of other bioactive compounds or as a research tool to study the effects of brassinosteroids on human health and disease.

Upstream product

• 72050-68-1 (22E,24R)-5α-ergosta-2,22-dien-6-one 
• 51373-27-4 (22E,24R)-5α-ergosta-5,7,22-triene-3-p-toluenesulfonate 
• 72050-67-0 3β-hydroxy-24-methyl-5α-cholest-22-en-6-one tosylate 
• 72050-68-1 (22E)-24α-methyl-5α-cholesta-2,22-dien-6-one 
• 3152-46-3 (22E,24R)-3α,5-cyclo-5α-ergost-22-en-6-one 
• 2774-59-6 (22E,24R)-3α,5-cyclo-5α-ergosta-7,22-dien-6β-ol 
• 3037-46-5 (22E,24R)-3α,5-cyclo-5α-ergosta-7,22-dien-6-one 
• 57-87-4 Ergosterol 

Downstream Products

• 72962-43-7 (22S,23S,24R)-2α,3α,22,23-tetrahydro-B-homo-7-oxa-5α-ergostan-6-one 
• 72962-43-7 (22R,23R,24R)-2α,3α,22,23-tetrahydro-B-homo-7-oxa-5α-ergostan-6-one 

Relevant academic research and scientific papers

Synthesis and biological activity of brassinolide and its 22 beta, 23 beta-isomer: novel plant growth-promoting steroids.

Brassinolide (2 alpha, 3 alpha, 22 alpha, 23 alpha-tetrahydroxy-24 alpha-methyl -B-homo-7-oxa-5 alpha-cholestan-6-one), a novel plant growth-promoting steroid isolated from rape pollen, and its hitherto unknown 22 beta, 23 beta-isomer were synthesized from a C-24 epimeric 60:40 mixture of 22-dehydroxampesterol (24 alpha-methyl) and brassicasterol (24 beta-methyl) from oysters. The method of synthesis favored the formation of the 22 beta, 23 beta-isomer by better than 4:1. Comparative plant growth-promoting capabilities of brassinolide, both natural and synthetic, and its three side chain cis-glycolic isomers in the bean second internode bioassay showed that the natural and synthetic brassinolides were equally active and caused splitting of the internode at the 0.1 microgram level. The least active was the 22 beta, 23 beta-isomer of brassinolide. The isomers with the 22 alpha, 23 alpha and 24 alpha, and the 22 beta, 23 beta and 24 beta configurations were highly active and were required at about 10 times the concentration of brassinolide to cause the same physiological response. In the bean first internode bioassay, an auxin-induced growth test system which employs isolated bean plant segments, the isomer with 22 beta, 23 beta and 24 beta configuration caused a greater response than brassinolide. Two of the four tetrahydroxy ketones obtained in the synthesis of the isomers were also active in both assays.