ethoxycarbonyl
- ethoxycarbonyl的基本解释
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乙酯基
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The results show that for collectors of the same kind, their selectivity is in linear relationship with HOMO energy and can be predicted well. For collectors of different kinds, it can be concluded from shape of HOMO and atomic HOMO density that the selectivity of ethoxycarbonyl thionocarbamates is better than the one of xanthogen formates.
结果表明:对于同种类型的捕收剂,其选择性与HOMO能量呈线性关系,依据HOMO能量能较准确地预测这两种捕收剂的选择性能;对于不同种类的捕收剂,通过对HOMO形状以及组成原子的HOMO密度的讨论可知,乙氧羰基硫氨酯类捕收剂的选择性能要比黄原酸甲酸酯类捕收剂的强。
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Eleven novel 2-alkylthio-5-(5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine-5-yl)-1,3,4-oxadiazole derivatives (5) and six novel 2-alkylthio-5-(5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine-5-yl)-1,3,4-thia- diazole derivatives (8) have been designed and synthesized by using 5-amino-3-ethoxycarbonyl-1H-1,2,4-triazole as a starting material.
以5-氨基-1H-1,2,4-三唑-3-羧酸乙酯为起始原料,设计合成了11个新型的2-取代硫醚-5-(5,7-二甲基-1,2,4-三唑并[1,5-a]嘧啶基)-1,3,4-恶二唑类化合物(5)和6个新型的2-取代硫醚-5-(5,7-二甲基-1,2,4-三唑并[1,5-a]嘧啶基)-1,3,4-噻二唑类化合物(8)。
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Ethoxycarbonyl-4,5-dimethyl-pyrrole (7) was prepared from ethylacetoacetate, ethyl formate and methyl ethyl ketone via oximination, Claisen condensation, and reductive condensation. The bromization of compound 7 gave 2-ethoxycarbonyl-3-bromo-4,5-dimethyl-pyrrole(8), which could be transferred to 2-ethoxy-carbonyl-3-brome-4-methyl-5-formyl-pyrrole (9) by the formolation.
由乙酰乙酸乙酯、甲酸乙酯及丁酮等原料经过肟化、Claisen缩合、还原缩合成环得到2-乙氧羰基-4,5-二甲基-吡咯(7),溴化生成2-乙氧羰基-3-溴4,5-二甲基-吡咯(8),最后经过甲酰化反应得到目标产物2-乙氧羰基-3-溴-4-甲基-5-甲酰基-吡咯(9)。
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ethoxyl; ethoxy:乙氧基
乙氧羰基 ethoxycarbonyl | 乙氧基 ethoxyl; ethoxy | 乙氧苯基 ethoxyphenyl
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carbethoxy; ethoxycarbonyl:乙氧羰基;乙氧甲酰基
咔唑基 carbazolyl | 乙氧羰基;乙氧甲酰基 carbethoxy; ethoxycarbonyl | 苄氧甲酰基;苄氧羰基 carbobenzoxy
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ethoxycaffeine:乙氧基咖啡因
ethoxybutamoxane 乙氧胺恶烷 | ethoxycaffeine 乙氧基咖啡因 | ethoxycarbonyl 乙酯基