Zobrazeno 1 - 10
of 292
pro vyhledávání: '"Hiroshi Suemune"'
Publikováno v:
Molbank, Vol 2015, Iss 1, p M843 (2015)
The title compound was prepared by the regioselective homocoupling of 10-methoxyazuleno[2,1-c]phenanthrene in the presence of ammonium persulfate. The structure of the synthesized compound was assigned on the basis of its 1H-NMR, FT-IR, and mass spec
Externí odkaz:
https://doaj.org/article/d2afc041c01e4c5db215c7a9eb445861
Publikováno v:
Tetrahedron Letters. 59:4528-4531
A dendritic bisphosphonate carrying three bisphosphonate (BP) units in close proximity was designed as a ligand to conjugate large therapeutic molecules for their bone selective delivery. The Bu3P-catalyzed conjugate addition of nitromethane to vinyl
Autor:
Ryusuke Hagihara, Satoru Karasawa, Kosuke Yamamoto, Go Hirai, Akio Ojida, Kazuteru Usui, Toshinobu Masuda, Hiroshi Suemune, Yuhei Ueno, Kazunobu Igawa, Katsuhiko Tomooka
Publikováno v:
Chemistry - A European Journal. 24:14617-14621
π-Conjugated helicenes containing heteroatoms have attracted significant attention due to their diverse chemical and electronic structures, as well as tunable physical properties. It was rationally anticipated that the self-assembly of coumarin-fuse
Autor:
John Walter Mirc, Kazuteru Usui, Mariko Aso, Manami Kurita, Hiroshi Suemune, Shintaro Matsumoto, Yoshitaka Higuchi
Publikováno v:
ChemBioChem. 17:2346-2352
Oligodeoxynucleotides (ODNs) containing 2-N-tert-butylaminoxyl-2'-deoxyadenosine (A*) residues were synthesized to allow accurate monitoring of adenine motion by EPR spectroscopy through the agency of direct linkage of the acyclic aminoxyl group to t
Autor:
Takashi Misawa, Hiroko Yamashita, Hiroshi Suemune, Yosuke Demizu, Masaaki Kurihara, Masakazu Tanaka, Makoto Oba, Mitsunobu Doi
Publikováno v:
Biopolymers. 106:757-768
A single chiral cyclic α,α-disubstituted amino acid with side-chain methoxymethyl (MOM) protecting groups, (3S,4S)-1-amino-(3,4-dimethoxymethoxy)cyclopentanecarboxylic acid [(S, S)-Ac5 c(dOMOM) ], or side-chain hydroxy groups, (3S,4S)-1-amino-(3,4-
Autor:
Mariko Aso, Bo Yang, Kazuteru Usui, Hiroshi Suemune, Noboru Koga, Midori Sasagaki, Daiki Okado, Yasuhiro Matsui
Publikováno v:
Tetrahedron. 71:5414-5419
5-N-tert-Butylaminoxylcytidine was synthesized as a new spin-labelled cytidine to detect guanosine by EPR spectroscopy. Metal-halogen exchange reaction of TBS-protected N-benzoyl-5-iodocytidine followed by a reaction with 2-methyl-2-nitrosopropane af
Autor:
Atsushi Ueda, Hiroshi Suemune, Kazuya Kato, Mitsunobu Doi, Masaaki Kurihara, Yosuke Demizu, Makoto Oba, Ryo Eto, Kazuhiro Tanda, Masakazu Tanaka
Publikováno v:
Tetrahedron. 71:3909-3914
Chiral cyclic α,α-disubstituted α-amino acids with four chiral centers at their acetal moieties were synthesized. An X-ray crystallographic analysis of homo-chiral tripeptide with (2R,3R)-butane-2,3-diol acetal moieties revealed that the tripeptid
Autor:
Mitsunobu Doi, Yosuke Demizu, Makoto Oba, Atsushi Ueda, Takayuki Hirata, Masanobu Nagano, Masakazu Tanaka, Masaaki Kurihara, Hiroshi Suemune
Publikováno v:
Tetrahedron. 71:2409-2420
Two diastereomeric six-membered ring α,α-disubstituted α-amino acids (1R,3R)- and (1S,3R)-1-amino-3-methylcyclohexanecarboxylic acids (Ac6c3M); side-chain restricted leucine analogs, were stereoselectively synthesized from (3R)-3-methylcyclohexano
Autor:
Naomi Kawabe, Hiroomi Takazaki, Hiromu Kawakubo, Hiroshi Suemune, Yosuke Demizu, Masanobu Nagano, Makoto Oba, Masaaki Kurihara, Mitsunobu Doi, Masakazu Tanaka
Publikováno v:
The Journal of Organic Chemistry. 79:9125-9140
A chiral five-membered ring α,α-disubstituted α-amino acid (R,R)-Ac5c(dN3) having two azido functional groups has been designed and synthesized. The cyclic amino acid (R,R)-Ac5c(dN3) could be efficiently converted into several cyclic amino acids w
Publikováno v:
Organic Letters. 16:4662-4665
Substituted azulenes, valuable structures for electronic devices and pharmaceuticals, have been synthesized by the platinum(II)-catalyzed intramolecular ring-expanding cycloisomerization of 1-en-3-yne with ortho-disubstituted benzene. This novel meth