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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 14, Number 3
BKCSDE 14(3)
March 20, 1993

Title	Thermal Conversion Between Diastereomeric 1,4-Dipolar Cycloadducts
Author	Kyung Ho Yoo, Dong Jin Kim, Jung Hyuck Cho, Youseung Kim, Sang Woo Park*
Keywords
Abstract	Thermal conversion between diastereomers formed via 1,4-dipolar cycloaddition was identified by 1H-NMR spectroscopic study depending on temperature and reaction time. Hereupon the formed product by kinetic control was converted to the thermodynamically controlled product. Various diastereomeric 1,4-dipolar cycloadducts were synthesized by the reacting of 5,6-dihydro-3-phenyl-7-[N-phenyl(carbamoyl)]imid azo[2,1-b]thiazolium-betaine with a series of para-substituted phenacyl bromides and the substituent effects were investigated.
Page	384 - 388
Full Text	PDF

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