The Simple Synthesis of Cordiachrome B, a Terpenoid Benzoquinone from Cordia Millenii
作者:Takashi Watabe、Yasushi Hosoda、Keiji Okada、Masaji Oda
DOI:10.1246/bcsj.60.3801
日期:1987.10
Cordiachrome B, a tricyclic terpenoid p-benzoquinone isolated fromCordia millenii, was synthesized in three steps from 1,2-dihydro-3,6-dimethoxybenzocyclobutene employing a Diels–Alder reaction in a key step.
Cordiachrome B 是一种从 Cordia millenii 中分离出来的三环萜类对苯醌,它是由 1,2-二氢-3,6-二甲氧基苯并环丁烯分三步合成的,在关键步骤中使用 Diels-Alder 反应。
A general method for the preparation of zirconocene complexes of substituted benzynes: in situ generation, coupling reactions, and use in the synthesis of polyfunctionalized aromatic compounds
作者:Stephen L. Buchwald、Brett T. Watson、Robert T. Lum、William A. Nugent
DOI:10.1021/ja00257a038
日期:1987.11
Obtention de methoxy-, iodo- et (methoxyiodo) alcanophenones, de benzisothiazoles-1,2, et de bicyclo [4.2.0] octatrienes-1,3,5
获得甲氧基-、碘-和(甲氧基碘)alcanophenones, de benzisothiazoles-1,2, et de bicyclo [4.2.0]octrienes-1,3,5
SYNTHESIS AND SOME PROPERTIES OF 1,2-DIHYDRO-4,7-DIHYDROXYCYCLOBUTA[b]NAPHTHALENE-3,8-DIONE AND 1,2,5,6-TETRAHYDRO-4,7-DIHYDROXYDICYCLOBUTA[b,g]NAPHTHALENE-3,8-DIONE
作者:Takashi Watabe、Masaji Oda
DOI:10.1246/cl.1984.1791
日期:1984.10.5
Title compounds have been first synthesized. The effects of strain due to the cyclobutene annelation are observed in the 13C NMR chemical shifts, tautomeric equilibrium, reduction potentials, and Diels–Alder reactions with dienes; thermolytic Diels-Alder reactions with dienophiles give novel polycyclic hydroxyquinones.