Cycloaddition reactions of 2-acetylamino-, 2-alkylamino-, 8-ethylamino-, and 8-acetylamino-1-azaazulenes with dimethyl acetylenedicarboxylate

Autor: Fukazawa, Yoshimasa, Hirai, Yoshimasa, Sakurai, Tosio, Urushido, Kunio, Kakehi, Akikazu

Publikováno v: Bulletin of the Chemical Society of Japan. 65(7):1784-1793

The reactions of 2- and 8-(substituted amino)-1-azaazulenes with dimethyl acetylenedicarboxylate (DMAD) were investigated. Treatment of ethyl 2-acetylamino-1-azaazulene-3-carboxylate with DMAD in refluxing acetonitrile gave 9-ethyl 1,2,3-trimethyl 3a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::263976b34f68917421ca3a836b52f7ba
https://petit.lib.yamaguchi-u.ac.jp/450

Anomalies within Alkyl and Alkoxy Substituted Bis (1,3-diphenylpropane - 1,3 dionato) Copper (II) metallomesogens from X-ray and EPR Studies.

Autor: Bose, Monisha, Ohta, Kazuchika, Sakurai, Tosio, Majumdar, Chanchal K.

Publikováno v: Molecular Crystals & Liquid Crystals Science & Technology, Section A: Molecular Crystals & Liquid Crystals; Jan1999, Vol. 326 Issue 1, p229-247, 19p

Efficient stereochemical regulation of octahedral cobalt(III) complexes by a chiral bidentate ligand. Part 2. Remarkable effect of the chelate-ring size in the stereoselective formation of sym-cis-(ethylenediamine-N,N′-diacetato)(pentane-2,4-diamine)cobalt(III)

Autor: Yashiro, Morio, Murata, Takashi, Sato, Mitsunobu, Kosaka, Masao, Kobayashi, Kimiko, Sakurai, Tosio, Yoshikawa, Sadao, Komiyama, Makoto, Yano, Shigenobu

Publikováno v: Journal of the Chemical Society, Dalton Transactions (1470479X); 5/21/1994, Issue 10, p1511-1516, 6p

Functionalized amino acid complexation to a cobalt(III) complex of (2R,5R,8R,11R)-2,5,8,11-tetraethyl-1,4,7,10-tetra-azacyclododecane. Crystal structures of complexes containing (R)- or (S)-serine and (R)-α-methylserine, and release of amino acid from the complexes

Autor: Tsuboyama, Sei, Miki, Shigeru, Chijimatsu, Tamiko, Tsuboyama, Kaoru, Sakurai, Tosio

Publikováno v: Journal of the Chemical Society, Dalton Transactions (1470479X); Dec1989, Issue 12, p2359-2365, 7p

Preparation and structure of nickel(II) complexes of N-substituted tetra-aza macrocycles: molecular structure of [(1RS,4SR,5RS,8SR,11RS,12SR)-1,5,8,12- tetramethyl-1,4,8,11-tetra-azacyclotetradecane]nickel(II) diperchloratet.

Autor: Miyamura, Kazuo, Kohzuki, Masatomo, Narushima, Ryoichi, Saburi, Masahiko, Gohshi, Yohichi, Tsuboyama, Sei, Tsuboyama, Kaoru, Sakurai, Tosio

Publikováno v: Journal of the Chemical Society, Dalton Transactions (1470479X); Dec1987, Issue 12, p3093-3098, 6p