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pro vyhledávání: '"Kiichi Takemoto"'
Autor:
Kiichi Takemoto
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 55:105-125
In order to prepare simply designed, nucleic acid analogs, a series of monomeric compounds containing purine and pyrimidine bases, such as vinyl, epoxy, dicarboxylic acid, propanediol and amino acid types, were synthesized. By polymerizing and polyco
Radiation-induced polymerization of vinyl and diene monomers in deoxycholic acid inclusion compounds
Autor:
Mikiji Miyata, Kiichi Takemoto
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 55:279-285
A series of deoxycholic acid inclusion compounds with vinyl and diene monomers were prepared, and their radiation-induced polymerization was studied. In the case of 2,3-dimethyl-and 2,3-dichlorobutadienes, highly 1,4-trans tactic polymers were obtain
Autor:
Kazuki Sada, Nobutami Kasai, Kazuaki Kato, Kiichi Takemoto, Kazunori Nakano, Satoshi Sasaki, Mikiji Miyata, Kunio Miki, Kiyoshi Hirayama, Masashi Shigesato
Publikováno v:
Supramolecular Chemistry. 13:35-44
Molecular recognitions of medium size lactones by enclathration of cholic acid (CA) are described. Size and location of the substituents on the lactone rings play an important role for enclathration. Lactones within the limited steric dimensions are
Publikováno v:
The Japanese Journal of Rehabilitation Medicine. 37:609-612
We experienced rehabilitation of two patients with pharyngeal stage dysphagia due to diffuse idiopathic skeletal hyperostosis (DISH). Videofluoroscopic examination of swallow function (VF) revealed that large cervical osteophytes interfered with the
Publikováno v:
Polymer Bulletin. 43:365-369
The molecular mobility of deoxycholic acid (DCA) / ferrocene inclusion compound has been investigated by high resolution solid state 13C NMR spectroscopy. Compared to the single crystal of ferrocene, the molecular mobility of the ferrocene in the inc
Autor:
Kiichi Takemoto
Publikováno v:
Macromolecular Symposia. 103:119-125
For the purpose of preparing water-soluble natural and synthetic polymers, which contian nucleic acid base units as the functional side groups, a different sorts of polymers, such as polyethyleneimine, polyamino acids and so on were used as the base
Publikováno v:
Chemistry Letters. 23:2027-2030
The conjugation of nucleic acid base with sulfonated hyaluronan was achieved by the ring opening reaction of 1,2-O-ethano derivatives of nucleic acid bases. The conditions of sulfonation of sodium hyaluronate were studied. Thymine and 5-bromouracil b
Autor:
Kiichi Takemoto
Publikováno v:
Macromolecular Symposia. 83:115-125
Synthetic polymers having pendant nucleic acid bases were prepared by polymer design techniques. After thorough investigations on their chemical and physico–chemical properties, further studies on their applicability were done, and in particular, t
Publikováno v:
Polymer Journal. 25:731-740
Inclusion polymerization of diene and vinyl monomers by using methyl cholate (MC) as a host was studied. The polymerization exhibited a number of behaviors characteristic of one-dimensional inclusion polymerization. For example, polymerizabilities of
Autor:
Mikiji Miyata, Motonari Shibakami, Kiichi Takemoto, Kunio Miki, Suwabun Chirachanchai, Nobutami Kasai
Publikováno v:
ChemInform. 22
C 24 H 40 O 5 cristallise dans P2 1 2 1 2 1 avec a=16,477, b=8,394, c=16,993 A, Z=4; affinement jusqu'a R=0,057. On a trouve la structure cristalline de l'acide cholique sans molecules organiques hotes a partir de la recristallisation par l'acetone.