cas 125-65-5, Pleuromulin | Articles data ｜lookchem

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125-65-5

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SYNTHESE AB-TRANS-ANELLIERTER DERIVATE DES TRICYCLISCHEN DITERPENS PLEUROMUTILIN DURCH INTRAMOLEKULARE 1,5-HYDRID-VERSCHIEBUNG
The Diterpene Pleuromutilin(1) reacts with orthoformicacid-trimethylester at room temperature almost quantitatively to give the 11-keto-3-methylester 2 with AB-trans-configuration.This conversion is shown to occur through a 1,5-hydride-shift between C3 and C11.Treatment of 2 with Lewis acid (ZnCl2) initiated a retro-1,5-hydride-shift which resulted in the formation of Pleuromutilin(1).Mechanistic aspects and structure assignments, which are based on chemical and spectroscopic ((1)H- and (13)C-NMR) data are discussed.
Berner, H.,Schulz, G.,Schneider, H.
p. 1807 - 1811
(1980)
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Synthetic Studies Directed toward Naturally Occuring Cyclooctanoids. 2. A Stereocontrolled Assembly of (+/-)-Pleuromutilin via a Remarkable Sterically Demanding Oxy-Cope Rearrangement
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Boeckman, Robert K.,Springer, Dane M.,Alessi, Thomas R.
p. 8284 - 8286
(2007/10/02)

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More Articles about downstream products of 125-65-5

113427-52-4
(6R,7R)-7-((1R,3S)-1-Methoxy-3-methyl-4-oxo-5-phenylselanyl-3-vinyl-hexyl)-6,7-dimethyl-2,3,4,5,6,7-hexahydro-inden-1-one

Chemical Properties

Appearance/Colour :crystalline solid
Melting Point: 170-171 °C
Boiling Point: 482.8 °C at 760 mmHg
Flash Point:158.7 °C
Density: 1.15 g/cm³
Solubility:DMSO: >10mg/mL (warmed)
Storage Temp.:-20°C Freezer
Vapor Pressure: 2.38E-11mmHg at 25°C
Refractive Index: 1.537
PKA: 12.91±0.10(Predicted)
PSA: 83.83000
LogP: 2.88520

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