Retinoids and related compounds. X. Synthesis of geometrical isomers of (.+-.)-2- and (.+-.)-3-Hydroxyretinals and identification of the cromophore of the fly visual pigment.
[EN] DRUG DELIVERY IMPLANTS AS INTRAOCULAR DRUG DEPOTS AND METHODS OF USING SAME<br/>[FR] IMPLANTS D'ADMINISTRATION DE MÉDICAMENT UTILES EN TANT QUE RÉSERVOIRS DE MÉDICAMENT INTRAOCULAIRES
申请人:DOSE MEDICAL CORP
公开号:WO2017040855A1
公开(公告)日:2017-03-09
Disclosed herein are drug delivery implants configured to be implanted into the eye of a subject and serve as intraocular drug depots. The implants reside in an intraocular target site until activation, at which time the implants release the drug (or drugs) housed within the implant in a controlled release fashion.
Retinoids and related compounds. X. Synthesis of geometrical isomers of (.+-.)-2- and (.+-.)-3-Hydroxyretinals and identification of the cromophore of the fly visual pigment.
The geometrical isomers of (±)-3-hydroxyretinals were synthesized and characterized. Subsequently, simultaneous separation of eight isomers of 2- and 3-hydroxyretinals by high-performance liquid chromatography (HPLC) was accomplished and, in addition, complete separation of eight syn-anti isomers of 3-hydroxyretinaloximes by HPLC was achieved. Under these analytical conditions, the chromophore of the fly (Drosphila melanogaster) visual pigment was identified as 11-cis-3-hydroxyretinal (10).