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US5977375A Esters of baccatin III and 10-deacetylbaccatin III 失效
浆果赤霉素III和10-脱乙酰基浆果赤霉素III

Esters of baccatin III and 10-deacetylbaccatin III
摘要:
A compound of the formula I: ##STR1## wherein Ar represents an aryl radical;R.sub.1 represents a hydrogen atom, an aroyl radical, or a radical of the formula R.sub.4 --O--CO;R.sub.2 and R.sub.3 together form a 5- or 6-membered saturated heterocycle;G.sub.1 represents an acetyl radical or a protecting group of the hydroxyl functional group; andG.sub.2 represents a protecting group of the hydroxyl functional group.
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