Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).

Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).

The sunburst diving beetle, Thermonectus marmoratus, ejects a milky fluid fromits prothoracic defensive glands when disturbed. Two major volatile components of this secretion are steroids; cybisterone (structure 7) constitutes about 20% of the volatiles, and a new steroid, mirasorvone, about 50%. Mi...

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Main Authors: Meinwald, Jerrold., Huang, Qing., Vrkoc, Jan., Herath, Kithsiri., Yang, Zhi-Cai., Schroder, Frank., Attygalle, Athula., Iyengar, Vikram., Morgan, Randy., Eisner, Thomas.
Format: Villanova Faculty Authorship
Language:English
Published: 1997
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spelling Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).
Meinwald, Jerrold.
Huang, Qing.
Vrkoc, Jan.
Herath, Kithsiri.
Yang, Zhi-Cai.
Schroder, Frank.
Attygalle, Athula.
Iyengar, Vikram.
Morgan, Randy.
Eisner, Thomas.
The sunburst diving beetle, Thermonectus marmoratus, ejects a milky fluid fromits prothoracic defensive glands when disturbed. Two major volatile components of this secretion are steroids; cybisterone (structure 7) constitutes about 20% of the volatiles, and a new steroid, mirasorvone, about 50%. Mirasorvone is assigned an 18-oxygenated pregnane structure (structure 9) on the basis of extensive spectroscopic data. Although no 18-oxygenated steroid has been described previously from an insect source, a closely related hormone with mineralocorticoid activity, 18-hydroxydeoxycorticosterone (structure 13), has been isolated from the adrenal glands of rats.
1997
Villanova Faculty Authorship
vudl:177266
Proceedings of the National Academy of Sciences, USA 95, March 1998, 2733-2727.
en
dc.title_txt_mv Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).
dc.creator_txt_mv Meinwald, Jerrold.
Huang, Qing.
Vrkoc, Jan.
Herath, Kithsiri.
Yang, Zhi-Cai.
Schroder, Frank.
Attygalle, Athula.
Iyengar, Vikram.
Morgan, Randy.
Eisner, Thomas.
dc.description_txt_mv The sunburst diving beetle, Thermonectus marmoratus, ejects a milky fluid fromits prothoracic defensive glands when disturbed. Two major volatile components of this secretion are steroids; cybisterone (structure 7) constitutes about 20% of the volatiles, and a new steroid, mirasorvone, about 50%. Mirasorvone is assigned an 18-oxygenated pregnane structure (structure 9) on the basis of extensive spectroscopic data. Although no 18-oxygenated steroid has been described previously from an insect source, a closely related hormone with mineralocorticoid activity, 18-hydroxydeoxycorticosterone (structure 13), has been isolated from the adrenal glands of rats.
dc.date_txt_mv 1997
dc.format_txt_mv Villanova Faculty Authorship
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dc.source_txt_mv Proceedings of the National Academy of Sciences, USA 95, March 1998, 2733-2727.
dc.language_txt_mv en
author Meinwald, Jerrold.
Huang, Qing.
Vrkoc, Jan.
Herath, Kithsiri.
Yang, Zhi-Cai.
Schroder, Frank.
Attygalle, Athula.
Iyengar, Vikram.
Morgan, Randy.
Eisner, Thomas.
spellingShingle Meinwald, Jerrold.
Huang, Qing.
Vrkoc, Jan.
Herath, Kithsiri.
Yang, Zhi-Cai.
Schroder, Frank.
Attygalle, Athula.
Iyengar, Vikram.
Morgan, Randy.
Eisner, Thomas.
Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).
author_facet Meinwald, Jerrold.
Huang, Qing.
Vrkoc, Jan.
Herath, Kithsiri.
Yang, Zhi-Cai.
Schroder, Frank.
Attygalle, Athula.
Iyengar, Vikram.
Morgan, Randy.
Eisner, Thomas.
dc_source_str_mv Proceedings of the National Academy of Sciences, USA 95, March 1998, 2733-2727.
format Villanova Faculty Authorship
author_sort Meinwald, Jerrold.
dc_date_str 1997
dc_title_str Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).
description The sunburst diving beetle, Thermonectus marmoratus, ejects a milky fluid fromits prothoracic defensive glands when disturbed. Two major volatile components of this secretion are steroids; cybisterone (structure 7) constitutes about 20% of the volatiles, and a new steroid, mirasorvone, about 50%. Mirasorvone is assigned an 18-oxygenated pregnane structure (structure 9) on the basis of extensive spectroscopic data. Although no 18-oxygenated steroid has been described previously from an insect source, a closely related hormone with mineralocorticoid activity, 18-hydroxydeoxycorticosterone (structure 13), has been isolated from the adrenal glands of rats.
title Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).
title_full Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).
title_fullStr Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).
title_full_unstemmed Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).
title_short Mirasorvone: A masked 20-keptopregnane from the defensive secretion of a diving beetle (Thermonectus mamoratus).
title_sort mirasorvone: a masked 20-keptopregnane from the defensive secretion of a diving beetle (thermonectus mamoratus).
publishDate 1997
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language English
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