## Abstract After the intraperitoneal administration of high doses of ^14^C‐ and ^3^H‐labelled retinoic acid (**1**) to rats three major urinary metabolites have been isolated in microgram amounts by use of column, thin‐layer and high‐pressure liquid chromatography. Their structures were elucidated
Synthesis of Urinary Metabolites of Retinoic Acid
✍ Scribed by Tong Hei Kim; Kenji Kon; Sachihiko Isoe
- Publisher
- John Wiley and Sons
- Year
- 1983
- Tongue
- German
- Weight
- 140 KB
- Volume
- 66
- Category
- Article
- ISSN
- 0018-019X
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Urinary metabolites 5‐methyl‐5‐[2‐(2,6,6‐trimethyl ‐3‐oxo‐1‐cyclohexen‐1‐yl)‐vinyl]‐2‐tetrahydrofuranone (1) and 5‐[2‐(6‐hydroxymethyl‐2, 6‐dimethyl‐3‐oxo‐1‐ cyclohexen‐1‐yl)vinyl]‐5‐methyl‐2‐tetrahydrofuranone (2) of retinoic acid have been synthesized from 4‐[2,2,6‐trimethyl‐3‐(tetrahydro‐2 H ‐pyran‐2‐yl)oxy‐1‐cyclohexen‐1‐yl]‐3‐buten‐2‐one (4) and methyl 2‐(3,3‐ethylenedioxy‐1‐butenyl)‐1, 3‐dimethyl‐4‐oxo‐2‐cyclohexene‐1‐carboxylate (5).
📜 SIMILAR VOLUMES
A rapid mass spectral assay for tryptophol, 5-hydroxytryptophol, and 3-indoleacetic acid, employing stable-isotope labeled internal standards, is described. The compounds were extracted from urine or buffer with ethyl acetate and quantitatively measured by chemical-ionization mass spectrometry. The
## Abstract Trans‐[13,14‐^14^C~2~]‐Retinoic acid has been synthesized by condensation of β‐ionylideneacetaldehyde and ^14^C‐labeled methyl senecioate in the presence of potassium amide in ether. A convenient synthesis of the key intermediate, methyl (diethoxyphosphinyl)‐[2‐^14^C]acetate, is also de
## Abstract Following the intraperitoneal administration of high doses of ^14^C‐ and ^3^H‐ labelled retinoic acid **(1)** to rats, three major metabolites and the intact compound were isolated from the feces in microgram amounts by use of column, thin‐layer and high‐pressure liquid chromatography.