叔堿 的英文怎麼說
中文拼音 [shūjiǎn]
叔堿
英文
tertiary base-
Six quaternary ammonium tetraphenyl borates salt photobase generators were synthesized with the use of p - methoxy phenacylmethylene or 2 - naphthoymethylene as chromophore, and triethylene diamine, pyridine or 3 - methyl pyridine as tertiary amine
摘要以對甲氧基苯乙酮、萘乙酮生色團為母體、雜環叔胺三亞乙基二胺，吡啶， 3 -甲基吡啶和四苯硼鹽為原料，合成了6種四苯硼季銨鹽光產堿劑。Tertiary amines, although basic, fail to yield amides, presumably because they cannot lose a proton, (to stabilize the product)after attaching themselves to carbon or to sulfur.
叔胺雖然呈堿性，但不能產生酰胺，這大概是因為當它們連在碳或硫上之後，無法失去一個質子（以穩定產物）的緣故。Unsaturated alkynyl alcohols, such as dehydronerolidol, dehydrogeranyllinalool, and dehydroisophytol, were prepared by ethynylation of turpentine derivatives, namely terpenylacetones, e. g. geranylacetone, farnesylacetone, and phyton under normal pressure in presence of alkali metal hydroxide and organic solvents
摘要松節油衍生物格萜烯基丙酮，如香葉基丙酮、金合歡基丙酮和植物酮在常壓條件，堿金屬氫氧化物和有機溶劑存在下可發生乙炔化反應，形成對應的， -不飽和炔醇化合物脫氫橙花叔醇、脫氫香葉基芳樟醇和脫氫異植物醇。Abstract : 1, 2 - bis ( alkylphenylphosphino ) ethane was synthesized via the reaction between lithium alkylphenylphosphide and 1, 2 - dichloroethane with tert - phosphines as raw materials. their structures were established by ir, h1nmr spectroscopy
文摘:以叔膦為原料，經堿金屬裂解后與1 ， 2 -二氯乙烷反應合成1 ， 2 -雙膦乙撐化合物.研究了叔膦化合物的裂解方式，堿金屬膦化物的穩定性及對反應條件的影響.產物的結構由ir譜和h1nmr譜證實分享友人