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Topic: Newbie question: is this a sterol?  (Read 5048 times)

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Offline fakedlunch

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Newbie question: is this a sterol?
« on: June 24, 2010, 12:53:33 PM »
« Last Edit: June 16, 2012, 12:46:54 PM by Arkcon »
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Offline SVXX

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Re: Newbie question: is this a sterol?
« Reply #1 on: June 24, 2010, 01:06:51 PM »
Well...ster"ol"s have alcohol groups. This one doesn't...though I'm not sure whether that's the criteria to decide for whether a compound is a sterol or not.
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Offline Doc Oc

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Re: Newbie question: is this a sterol?
« Reply #2 on: June 24, 2010, 01:22:35 PM »
No it's not.  Steroids/sterols have a distinct fused ring system.
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Offline bolo

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Re: Newbie question: is this a sterol?
« Reply #3 on: June 24, 2010, 02:00:38 PM »
Kind of terpene.
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Offline fakedlunch

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Re: Newbie question: is this a sterol?
« Reply #4 on: June 24, 2010, 02:05:36 PM »
Quote from: bolo on June 24, 2010, 02:00:38 PM
Kind of terpene.

That's what I thought.  :D

It kind of reminds of a half of a sterol molecule, doesn't it? Are sterols made from terpenoids in biological pathways, anybody knows?

Thanks, all!..
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Offline Jorriss

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Re: Newbie question: is this a sterol?
« Reply #5 on: June 24, 2010, 02:14:52 PM »
It 'looks' like a broken steroid.
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Offline Doc Oc

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Re: Newbie question: is this a sterol?
« Reply #6 on: June 24, 2010, 02:59:30 PM »
Quote from: fakedlunch on June 24, 2010, 02:05:36 PM
Are sterols made from terpenoids in biological pathways, anybody knows?

Yes.
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Offline orgopete

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Re: Newbie question: is this a sterol?
« Reply #7 on: June 24, 2010, 03:09:33 PM »
This is not a steroid. As I recall from my steroids class of years ago, a steroid would contain the tetracyclic unit common to the steroids, cholesterol, ergosterol, estradiol, testosterone, etc.
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Offline Jorriss

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Re: Newbie question: is this a sterol?
« Reply #8 on: June 24, 2010, 03:54:02 PM »
Quote from: orgopete on June 24, 2010, 03:09:33 PM
This is not a steroid. As I recall from my steroids class of years ago, a steroid would contain the tetracyclic unit common to the steroids, cholesterol, ergosterol, estradiol, testosterone, etc.
Yeah, for sure its not, it just looks like it :P
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Offline bolo

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Re: Newbie question: is this a sterol?
« Reply #9 on: June 25, 2010, 02:05:28 PM »
Quote from: Jorriss on June 24, 2010, 02:14:52 PM
It 'looks' like a broken steroid.
Sure, it is a useful hint and I would like fakedlunch to take an interest in the biosynthesis of lanosterol from a natural terpene - squalene. This would account for that guess about steroids.
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