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: This review summarizes recent developments in the total synthesis of morphine alkaloids and some of the semisynthetic derivatives. The literature is covered for the period of 5 years after the publication of the last review in 2005. The syntheses that appeared in this period are covered in detail and are placed in the context of all syntheses of opiate alkaloids since the original one published by Gates in 1952. The introduction covers the historical aspects of total synthesis of these alkaloids. The synthesis of some of the medicinally useful derivatives is reviewed in the last section along with some of the methodology required for their preparation.
Institute of Organic Chemistry, University of Vienna, Währinger Straße 38, 1090, Vienna, Austria, email@example.com.
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Name: Topics in current chemistry
The first total synthesis of the Myrioneuron alkaloids (±)-α,β-myrifabral A and B has been accomplished in only four steps from conveniently available starting materials. This short synthesis relie...
Secondary metabolites from marine organisms are a rich source of novel leads for drug development. Among these natural products, polycyclic aromatic alkaloids of the pyridoacridine type have attracted...
This update covers the syntheses of Amaryllidaceae alkaloids since the publication of the last major review in 2008. A short summary of past syntheses and their step count is provided for the major co...
Herein, we report the enantioselective synthesis of a functionalized aza-octahydropentalene and its elaboration to a model tetracyclic core structure of calyciphylline B-type alkaloids.
Two new 1,3-oxazin-6-one derivatives (1 and 2) and six new bohemamine-type pyrrolizidine alkaloids (3-8) were isolated from the marine-derived Streptomyces spinoverrucosus strain SNB-048. Their struct...
This study aims to compare the effect of spinal morphine between the dose 0.05 mg and 0.1 mg on the amount of morphine during the first 24 hours postoperative.
RATIONALE: Morphine that is inhaled may be more rapidly absorbed than morphine that is given by mouth. It is not yet known if inhaled morphine is more effective than morphine given by mout...
This is a randomized Phase II study testing the effectiveness of the combination of morphine and methadone versus morphine alone in relieving pain. A second goal is to further evaluate any...
RATIONALE: Morphine helps to relieve the pain associated with cancer surgery. Giving morphine in different ways may offer more pain relief. PURPOSE: This randomized clinical trial is stud...
Ketamine (an analgesic drug often associated with morphine in the treatment of Opioid Induced Hyperalgesia) is often mixed in Morphine PCA syringe. We make the hypothesis that ketamine adm...
Analogs or derivatives of morphine.
Morphine derivatives of the methanobenzazocine family that act as potent analgesics.
The principal alkaloid in opium and the prototype opiate analgesic and narcotic. Morphine has widespread effects in the central nervous system and on smooth muscle.
The air-dried exudate from the unripe seed capsule of the opium poppy, Papaver somniferum, or its variant, P. album. It contains a number of alkaloids, but only a few - MORPHINE; CODEINE; and PAPAVERINE - have clinical significance. Opium has been used as an analgesic, antitussive, antidiarrheal, and antispasmodic.
An opioid analgesic made from MORPHINE and used mainly as an analgesic. It has a shorter duration of action than morphine.