The cycloaddition itself is the slow step . 環(huán)化作用本身是慢的一步。
Study of cycloaddition of anthracene with c60c 6與蒽環(huán)加成反應(yīng)研究
Study of 1 , 3 - dipolar cycloaddition in the synthesis of tazobactam 酸偶氮類試劑的合成及應(yīng)用研究
Theoretical study on the 1 , 3 - dipolar cycloaddition reaction of c , n - dimethyl nitrone and acrylonitrile 偶極環(huán)加成反應(yīng)的理論研究
Studies on the synthesis of imide - functionalized , - unsaturated ketones and their cycloaddition reaction 不飽和酮的合成及與二烯烴環(huán)加成反應(yīng)的研究
Theoretical study on the stereoselectivity of intramolecular 4 - methyl - 5 - ethenyl - heptanitrile oxide cycloaddition 庚腈氧化物分子內(nèi)環(huán)加成反應(yīng)的立體選擇性
This paper focuses on the cycloaddition reactions on solid phase supports and their applications in organic synthesis and mechanism research 本文介紹了在固相載體上進(jìn)行的環(huán)加成反應(yīng),及其在有機(jī)合成及反應(yīng)機(jī)理研究中的應(yīng)用。
The system of [ 4 + 3 ] cycloaddition and its application in organic synthesis are reviewed . a brief discussion about the future research is also given 本方對(duì)[ 4 + 3 ]環(huán)加成反應(yīng)體系以最近在合成中的應(yīng)用進(jìn)行了綜述,并對(duì)進(jìn)一步研究的方向進(jìn)行了討論。
The system of [ 4 + 3 ] cycloaddition and its application in organic synthesis are reviewed . a brief discussion about the future research is also given 摘要本方對(duì)[ 4 + 3 ]環(huán)加成反應(yīng)體系以最近在合成中的應(yīng)用進(jìn)行了綜述,并對(duì)進(jìn)一步研究的方向進(jìn)行了討論。
A wide variety of natural products , e . g . alkaloids , - lactames , biotin , amino sugars has been synthesized by 1 , 3 - dipolar cycloaddition reaction between nitrones and alkenes 通過(guò)硝酮與烯烴化合物的1 , 3 -偶極環(huán)加成反應(yīng)合成了許多天然?物,如生物鹼、 -內(nèi)酰胺、生物素、氨基糖等。
A cycloaddition is a pericyclic chemical reaction, in which "two or more unsaturated molecules (or parts of the same molecule) combine with the formation of a cyclic adduct in which there is a net reduction of the bond multiplicity." The resulting reaction is a cyclization reaction.