Moreover, the polymeric arsine palladium(0) complex is an efficient catalyst for the carbonyl allylation of aldehydes and the coupling reaction of aryl halides with terminal alkynes or Grignard reagent.

該聚合物負載的胂鈀(0)配合物還是醛的羰基烯丙基化及芳基鹵化物與端炔、Grignard試劑的交叉偶聯(lián)反應的有效催化劑操日本小妞视频。

The reaction of the compound - 3 - triaiylstannyl -1,1 - diphenyl - 2 - propenyl - 1 -ol with ICl,Br2,I2 formed organotin halides ,which reacted with KOH to form organotin oxide or hydroxide.

首次以非碳環(huán)醇-3-三芳基錫基-196视频网，1-二苯基-2-丙烯基-1-醇[Ph_2 CCH=CHSnAr_3]和鹵素或擬鹵素發(fā)生取代反應得到鹵化物，并以此合成了氫氧化物美女视频黄免费、氧化物和配合物男女免费交性视。

A series of liquid crystals containing naphthalene 1~13 was synthesized by the reaction of carbonyl compound with Grignard reagent and coupling reaction between phenyl boronic acid and halogen naphthalene .

經(jīng)羰基化合物與格氏試劑反應及芳基硼酸與萘基鹵化物偶聯(lián)反應合成了系列含萘環(huán)骨架液晶化合物1~13；產率在73%~759%91在线综合视频。

In order to find biologically active urea compounds,seven new N-[5-(3-pyridyl)-1,3,4-thiadiazol-2-yl]-N'- urea derivatives were synthesized by the reaction of 2-amino-5-(3-pyridyl)-1,3,4-thiadiazole with aroylazides,which were prepared starting from carboxylic acids,ethyl chloroformate and sodium azide by one-pot procedure.

為了尋找高生物活性的脲類化合物久草美女，通過2-氨基-5-(3-吡啶基)-1，3露脸在线，4-噻二唑與豕侵廾琅V；B氮化物反應，設計合成了7個新的N-[5-(3-吡啶基)-1亚洲图片中文字幕套，3美女网页黄a，4-噻二唑-2-基]-N'-取代苯基脲，其中芳跬倒胰寺拙芬磺基疊氮化物是以芳酸摸,吸,操,插,干、氯甲酸乙酯、疊氮化鈉為起始原料采用&一鍋法&所制得欧美性交乱伦视频。

ATRP initiation systems consist of organic chloride initiators (RCl, RBr or aryl sulfonyl chloride, etc.), transition-metal catalysts in lower oxidation state Cu(I, Fe, Ru, Ni, etc. and organic electronic-donating ligands (2,2'-bipyridine―bipy or bpy, PPh3, multidentate ligand compound 1,1,4,7,7-pentamethyldiethylenetriamine, etc.).

普通ATRP引發(fā)體系包括引發(fā)劑主要為氯或溴化物欧美一级黄片黑人操逼，芳基磺酰氯；低價過渡金屬鹵化物如Cu日韩一级A片一在线播放， Fe看的黄色网站，Ru，Ni等亚洲毛片在线播放一区二区；有機配體如2www内射学生妹羞羞视频，2'-聯(lián)吡啶，PPh3国产最新福利，脂肪族多元胺等91精品美女主播在线。

Under these conditions several aryl iodides bearing a wide range of functional groups were converted into the corresponding aryl azides in good yields.

在重新優(yōu)化后的條件下成人免费国产剧情视频网站在线观看，大部分不活潑芳基溴化物可以與疊氮化鈉發(fā)生交叉偶聯(lián)反應得到良好收率的芳基疊氮化合物，但是有拉電子基團取代的芳基溴化物與疊氮化鈉的偶聯(lián)反應則難以進行久久精品aⅴ无码中文字字幕重口。

Under these conditions several aryl iodides bearing awide range of functional groups were converted into the corresponding aryl azides in good yields.

在重新優(yōu)化后的條件下超碰在线播放人人，大部分不活潑芳基溴化物可以與疊氮化鈉發(fā)生交叉偶聯(lián)反應得到良好收率的芳基疊氮化儲蓄型投資銀條合物，但是有拉電子基團取代的芳基溴化物與疊氮化鈉的偶聯(lián)反應則難以進行97超碰中文在线。

Monophenyltin trichloride reacts withdicarbonyl dicyclopentadienyl titanium immediately at room temperature, but no ti-tanium-tin complex produced, and the products were diphenyltin dichloride〓 and tin or stannous Chloride. When diaryltin dihalides were used, only the chlorides and bromides reacted with 〓form the complexes containing titaninm-tin bond,〓. but the corresponding iodide complex was not found. This reaction is Sensitive totemperature,when the temperature is belw 10℃,the reaction hardly takes place,but as the temperature is above 25℃,more 〓 will be found and the reactionbecome more complex.

Ph-SnC〓室溫下即可與Cp〓迅速反應国产精品视频无码aA，但不生成含鈦一錫鏈的化合物，而是生成Ph〓和Sn或Sn〓二芳基二鹵化錫化物中黄色三级日本，只有氯化物和溴化物才能和〓反應生成含鈦〓錫鍵的化合物〓相應的碘化物則不行中文精品无码，而且反應對溫度比較敏感，低于10℃骚逼人人操人人玩，反應幾乎不能進行很黄很高潮免费网站，而高于25〓，則會生成更多的〓婷婷精品在线视频，在回流條件下得不到含鈦〓錫鍵的化合物日韩精品国产，只能得到分解產物，〓和Sn或〓国产乱理伦片在线观看。

aryl：芳(香)基

自然環(huán)境中各種型態(tài)的汞有金屬汞(Hg0)欧日韩一级片、二價的無機汞鹽類日韩高清视频免费观看、短鍵的烷基汞化物、芳香基(aryl)汞化物与子的性关系视频、烷基汞化物和其他類有機汞化物. Hg0溶於水后會轉變?yōu)镠g2+,Hg2+又易與硫反應產生HgS并沉淀. 在厭氧(anaerobic)狀態(tài)下,HgS中之S2-被還原,

aryl：芳基,芳基的

aryl thiourea | 芳基硫脲 | aryl | 芳基 芳基的 | arylate | 芳基化物

arylamine：芳胺

芳基烷氧硅烷 arylalkoxysilane | 芳胺 arylamine | 芳砷鹵化物 arylarsenic halide

arylate：芳基化物

aryl | 芳基 芳基的 | arylate | 芳基化物 | arylated alkyl | 芳脂基