作者:Takashi Matsumoto、Sachihiko Imai、Hiroyuki Kawashima、Masanori Mitsuki
DOI:10.1246/bcsj.54.2099
日期:1981.7
6 with lithium aluminium hydride, followed by catalytic hydrogenation, yielded (+)-12-methoxyabieta-8,11,13-trien-3β-ol (8) and a small amount of its cis isomer. The compound (8) was then converted to (+)-12-methoxyabieta-1,8,11,13-tetraen-3-one (12) by a series of reactions: oxidation with pyridinium chlorochromate, bromination with pyridinium tribromide, and dehydrobromination with lithium carbonate
shonanol 的结构被重新研究,发现是 12-hydroxyabieta-2,8,11,13-tetraen-1-one (1) 通过以下合成。(+)-12-甲氧基abieta-8,11,13-trien-18-oate 与苯基溴化镁的格氏反应,然后用四乙酸铅和碳酸钙处理,得到 Δ3-、Δ4- 和 Δ4( 18)-19-也不是化合物。这用二氧化硒氧化得到 (+)-12-甲氧基 19-norabieta-4(18),8,11,13-tetraen-3α-ol。通过已知方法将该醇转化为(+)-12-甲氧基松香-5,8,11,13-tetraen-3-one(6)。用氢化铝锂还原 6,然后进行催化氢化,得到 (+)-12-methoxyabieta-8,11,13-trien-3β-ol (8) 及其少量顺式异构体。然后通过一系列反应将化合物 (8) 转化为 (+)-12-甲氧基松香-1,8