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Efficient Synthesis of An Epoxy Alcohol, A key Intermediate for$LTA_4$ Synthesis
Hokoon Park,Yong Sup Lee,Sang Chul Shim Korean Chemical Society 1992 Bulletin of the Korean Chemical Society Vol.13 No.5
An efficient and very short synthesis of epoxy alcohol 5, a key intermediate for leukotriene synthesis, was described. The key reaction involves the regioselective benzylidene acetal formation from methyl 5,6,7-trihydroxyheptanoate 1.
A New Chiral Synthetic Route to (+)-Isocarbacyclin
HoKoon Park,Yong Sup Lee,Shim Sang Chul Korean Chemical Society 1993 Bulletin of the Korean Chemical Society Vol.14 No.1
A synthetic route to (+)-isocarbacyclin starting from (-)-tricyclo[3.3.0.0$^{2.8}$]octan-3-one 6 is described. The key intermediate 4 has been synthesized from 6 by a sequential introduction of methoxycarbonyl group at C-12 and the oxygen functionality at C-9${\alpha}$(PG numbering) for the construction of ${\alpha}-and\;{\omega}$-side chain, and then converted to isocarbacyclin methyl ester 2.