站在克罗地亚佩列沙茨半岛的塞恩特山葡萄园的陡峭斜坡上,当地的葡萄酒生产者杜布拉夫卡•塞尔·科维克说道,葡萄酒“永远”在这里驻足了。
Standing on the steep slopes of the Saints Hills vineyard on the Peljesac peninsula in Croatia, Dubravka Serkovic, a local producer, says wine has been made here "for ever".
埃克塞特大学位于埃克塞特市,这里人口大约10万人,是英国西南部重要的商业中心。
The University of Exeter is located in the City of Exeter, which is the commercial center of south-west Britain with a population of 100,000 people.
方法:以庚二酸单乙酯为原料,经酰氯化、傅克酰化、还原、水解、缩合及氧化反应合成塞曲司特。结果:塞曲司特的总产率为5 0 .7%。
Methods and results:Through acylation, Friedel Crafts reaction, reduction, hydrolysis, condensation and oxidation, the title compound was prepared with a total yield of 50.7%.
方法:以庚二酸单乙酯为原料,经酰氯化、傅克酰化、还原、水解、缩合及氧化反应合成塞曲司特。结果:塞曲司特的总产率为5 0 .7%。
Methods and results:Through acylation, Friedel Crafts reaction, reduction, hydrolysis, condensation and oxidation, the title compound was prepared with a total yield of 50.7%.
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