5-dione相关论文
SiO2-NaHSO4as an Efficient Reusable Heterogeneous Catalyst for the One-Pot Three-Component Synthesis
An environmentally benign method for the synthesis of octahydro-quinazolin-2,5-diones by the reaction of aromatic aldehy......
COPOLYMERIZATION AND DETERMINATION OF MONOMER REACTIVITY RATIOS OF DL-LACTIDE WITH 3-BENZYLOXYMETHYL
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
alkylation and cyclization. The reaction conditions were mild and the overall yields of the products ranged from 45% to ......
A series of 4,6,7,8-tetrahydro-2,5-(1H,3H)-quinolinediones was prepared from ethyl-2-cyanoacetate, aromatic aldehydes an......
D,L-lactide was prepared from D,L-lactic acid by means of polymerization and depolymerization at low vacuum level.Morpho......
SiO2-NaHSO4as an Efficient Reusable Heterogeneous Catalyst for the One-Pot Three-Component Synthesis
An environmentally benign method for the synthesis of octahydro-quinazolin-2,5-diones by the reaction of aromatic aldehy......
COPOLYMERIZATION AND DETERMINATION OF MONOMER REACTIVITY RATIOS OF DL-LACTIDE WITH 3-BENZYLOXYMETHYL
The copolymerization of DL-LA and 3-BMG was carried out in bulk with stannous 2-ethylhexanoate as the catalyst. A series......
以D，L-乳酸和D，L-丙氨酸为原料经减压蒸馏法制得2，5-二甲基吗啉-3，6-二酮；再以辛酸亚锡为引发剂，2，5-二甲基吗啉-3，6-二酮为单体合成丙氨酸......
以辛酸亚锡为催化剂,对含β-苄酯保护天冬氨酸的吗啉二酮单体(BMD)和丙交酯(L-LA)的共聚反应进行了研究,并用NMR、GPC等分析方法对......
以甘氨酸和溴乙酰溴为原料合成了吗啉-2,5-二酮。产物用FTIR谱、1H-NMR谱进行结构表征。通过考察酰化反应中体系pH和环化反应中反......
以氰基乙酸为起始原料，经六步反应得到目标化合物环己烯酮并氢化吡喃并1，4-二氮杂卓-2，5-二酮，总产率为41．4％，经红外、核磁分析，所得数据与......
建立了2,5-二甲基呋喃（DMF）的气相色谱（GC）定量分析方法,跟踪测定DMF在低温下的氧化过程及动力学,用碘量法测定了DMF过氧化物的生成,并......
以靛红和氰乙酸甲酯为原料，经克脑文盖尔缩合、迈克尔加成、酯基水解脱羧、氰基水解、还原环化等反应合成了螺[二氢吲哚-3，3′-吡咯......
