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Biosynthesis of the amaryllidaceae alkaloid Galanthamine
Abstract Application of radioactively as well as 13C-labelled 4′-O-methylnorbelladine to organs of field grown Leucojum aestivum plants resulted in an optimal incorporation into galanthamine (27%),… Expand
Identification of CHD7S as a novel splicing variant of CHD7 with functions similar and antagonistic to those of the full‐length CHD7L
- Y. Kita, M. Nishiyama, K. Nakayama
- Biology, Medicine
- Genes to cells : devoted to molecular & cellular…
- 1 July 2012
CHD7 is one of the nine members of the chromodomain helicase DNA‐binding family of ATP‐dependent chromatin remodeling enzymes. Mutations in CHD7 give rise to CHARGE syndrome, a human condition… Expand
Hypervalent iodine oxidation of p-alkoxyphenols and related compounds : a general route to p-benzoquinone monoacetals and spiro lactones
Oxydation de dimethoxy-, trimethoxy-, carboxy-2', ethyl, carboxy-2' ethoxy- et hydroxy-2' ethylphenols a l'aide du bis-trifluoroacetoxyiodo benzene
Versatile hypervalent-iodine(III)-catalyzed oxidations with m-chloroperbenzoic acid as a cooxidant.
The synthetic and biological studies of discorhabdins and related compounds.
- Y. Wada, Y. Harayama, +6 authors Y. Kita
- Chemistry, Medicine
- Organic & biomolecular chemistry
- 15 June 2011
Various analogues of the marine alkaloids, discorhabdins, have been synthesized. The strategy contains spirocyclization with phenyliodine(III) bis(trifluoroacetate) (PIFA), oxidative fragmentation of… Expand
A novel and efficient oxidative biaryl coupling reaction of phenol ether derivatives using a combination of hypervalent iodine(III) reagent and heteropoly acid.
- H. Hamamoto, G. Anilkumar, H. Tohma, Y. Kita
- Chemistry, Medicine
- Chemical communications
- 27 February 2002
A novel and efficient oxidative biaryl coupling reaction of phenol ether derivatives using a combination of hypervalent iodine(III) reagent, phenyliodine(III) bis(trifluoroacetate) (PIFA), and… Expand
Synthesis of the Marine Pyrroloiminoquinone Alkaloids, Discorhabdins
Many natural products with biologically interesting structures have been isolated from marine animals and plants such as sponges, corals, worms, etc. Some of them are discorhabdin alkaloids. The… Expand
New perspective for natural products synthesis: concise synthesis of (+)-sch 642305 by chiral auxiliary multiuse methodology.
The synthesis of (+)-Sch 642305 is an example of chiral auxiliary multiuse methodology, which shows a new perspective for the synthesis of compounds with multiple asymmetric centers. Thus, (+)-Sch… Expand
Marine pyrroloiminoquinone alkaloids.
Recent reports on the synthetic studies of marine pyrroloiminoquinone alakloids and their analogs are reviewed.
Iodoarene-Catalyzed Fluorination and Aminofluorination by an Ar-I/HF·Pyridine/mCPBA System.
Results of preliminary trials of an asymmetric fluorination using chiral aryl iodides are also presented.