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3β-hydrpxy-24-norchol-5-en-23-oic acid-A new inhibitor of the Δ24-sterol reductase enzyme system(S) in the tobacco hornworm, Manduca Sexta (Johannson)
Year:
1968
Source of publication :
Steroids
Authors :
Svoboda, James
;
.
Volume :
12
Co-Authors:
Svoboda, J.A., Insect Physiology Laboratory, Entomology Research Division, Agricultural Research Service, Beltsville, MD 20705, United States
Thompson, M.J., Insect Physiology Laboratory, Entomology Research Division, Agricultural Research Service, Beltsville, MD 20705, United States
Robbins, W.E., Insect Physiology Laboratory, Entomology Research Division, Agricultural Research Service, Beltsville, MD 20705, United States
Facilitators :
From page:
559
To page:
570
(
Total pages:
12
)
Abstract:
A commercial sample of β-sitosterol contained impurities that inhibited the conversion of β-sitosterol to cholesterol at the terminal step-the conversion of desmosterol to cholesterol-in the tobacco hornworm. The compounds responsible for this biological activity were isolated and shown to be 3β-hydroxy-24-norchol-5-en-23-oic acid and 3β-hydroxy-23,24-dinorchol-5-en-22-oic acid. The 23-carbon acid is the most active component, being several times more active than the 22-carbon acid as an inhibitor of Δ24-sterol reductase in vivo. The synthesis of 3β-hydroxy-24-norchol-5-en-23-oic acid is described. © 1968.
Note:
Related Files :
Animal
biosynthesis
Chromatography, Gas
Gas Chromatography
insects
norsteroid
spectroscopy
Synthesis
Show More
Related Content
More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
27408
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:30
You may also be interested in
Scientific Publication
3β-hydrpxy-24-norchol-5-en-23-oic acid-A new inhibitor of the Δ24-sterol reductase enzyme system(S) in the tobacco hornworm, Manduca Sexta (Johannson)
12
Svoboda, J.A., Insect Physiology Laboratory, Entomology Research Division, Agricultural Research Service, Beltsville, MD 20705, United States
Thompson, M.J., Insect Physiology Laboratory, Entomology Research Division, Agricultural Research Service, Beltsville, MD 20705, United States
Robbins, W.E., Insect Physiology Laboratory, Entomology Research Division, Agricultural Research Service, Beltsville, MD 20705, United States
3β-hydrpxy-24-norchol-5-en-23-oic acid-A new inhibitor of the Δ24-sterol reductase enzyme system(S) in the tobacco hornworm, Manduca Sexta (Johannson)
A commercial sample of β-sitosterol contained impurities that inhibited the conversion of β-sitosterol to cholesterol at the terminal step-the conversion of desmosterol to cholesterol-in the tobacco hornworm. The compounds responsible for this biological activity were isolated and shown to be 3β-hydroxy-24-norchol-5-en-23-oic acid and 3β-hydroxy-23,24-dinorchol-5-en-22-oic acid. The 23-carbon acid is the most active component, being several times more active than the 22-carbon acid as an inhibitor of Δ24-sterol reductase in vivo. The synthesis of 3β-hydroxy-24-norchol-5-en-23-oic acid is described. © 1968.
Scientific Publication
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