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alexwang0521

银虫 (初入文坛)

[求助] 求翻译部分化学相关的英文文献 能翻译多少是多少

In contrast to dialkyl cyanamido complexes, the reactivity
of hydrogen cyanamido/cyanoimido complexes reported so
far occurs only at the N atom of cyanoimido or hydrogen
cyanamido moieties, but not at the C atom. Herein we
report the reaction of an osmium(VI) nitrido complex that
bears a tridentate Schiff base ligand, [OsVI(N)( L1)(Cl)-(H2O)] (1 ), with CN under various conditions to afford(PPh4) [OsVI(N)( L1)(CN)(Cl)] ( 2 ), (PPh4)2[OsVI(N)( L2)(CN)2]( 3 ), and (PPh4)2[OsIII{N(H)CN}( L3)(CN)3](4 ). Electrophilic attack of 4 on the Nb atom of the hydrogen cyanamideligand by H+ or MeI readily occurs to produce (PPh4) [OsIII-{NCN(R)2}( L3)(CN)3 ](R = H(5 ); R = Me (6 )). More signifi-cantly, 4 readily undergoes nucleophilic attack at the C atom of the hydrogen cyanamide ligand by a variety of amines to produce a series of novel osmium guanidine com-pounds (PPh4) [OIII{N(H)C (NH2 )NR1R2}( L3)(CN)3](R1=R2= H(7 ); R1= H, R2= CH2 CH3( 8 ); R1= R2= CH2CH3
( 9 )). These compounds have been characterized by different
spectroscopic methods. The crystal structures of 1 – 5 and 7
and 8 have been determined by X-ray crystallography.
不解释为什么受伤的总是我
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chem小笨

木虫 (正式写手)

【答案】应助回帖

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alexwang0521: 金币+10, 翻译EPI+1, ★★★很有帮助 2012-04-26 13:20:35
相比之下,二烷基氰胺络合物,至目前报道的氰胺或氰亚胺氢的反应仅发生在氰亚胺的N原子上或氰胺的氢原子上,而不是在C原子。在此,我们报告含锇(VI)的氮络合物反应中有三齿Schiff碱配体生成。

More signifi-cantly, 4 readily undergoes nucleophilic attack at the C atom of the hydrogen cyanamide ligand by a variety of amines to produce a series of novel osmium guanidine com-pounds
更为显着,4容易在C原子的氰胺配体的氢原子容易受各种胺的亲核攻击,生成一系列新颖锇胍化合物。

These compounds have been characterized by different
pectroscopic methods. The crystal structures of 1 – 5 and 7
and 8 have been determined by X-ray crystallography.
这些化合物结构已用不同光谱方法证实了。晶体结构1 - 5、7
和8个已通过X-射线晶体确定结构。
发上等愿,结中等缘,享下等福;择高处立,就平处坐,向宽处行。
2楼2012-04-26 13:12:28
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_▕若¨|相依

木虫 (正式写手)

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alexwang0521: 金币+5, ★★★★★最佳答案 2012-04-26 20:43:34
与二烃基氰胺复合物相反的是,氢氰胺/氰亚胺化合物的反应活性在目前的报告中仅发生在氰亚胺的或氢氰胺的氮原子上,而不是在碳原子上。在此我们报告一种具有希夫碱三齿配体的氮化锇(六)络合物的反应,[OsVI(N)( L1)(Cl)-(H2O)] (1 ),它在不同条件下与CN形成(PPh4) [OsVI(N)( L1)(CN)(Cl)] ( 2 ), (PPh4)2[OsVI(N)( L2)(CN)2]( 3 ), 和(PPh4)2[OsIII{N(H)CN}( L3)(CN)3](4 ).。4亲电进攻由H+或MeI配位氢氰铵上的铌原子,容易生成(PPh4) [OsIII-{NCN(R)2}( L3)(CN)3 ](R = H(5 ),R = Me (6 )).更显著的是,4容易进行亲核攻击由不同胺配位氢氰铵上的碳原子,从而产生一系列新颖的锇胍化合物((PPh4) [OIII{N(H)C (NH2 )NR1R2}( L3)(CN)3](R1=R2= H(7 ); R1= H, R2= CH2 CH3( 8 ); R1= R2= CH2CH3( 9 ))。这些化合物已由不同光谱法表征,1到5、7和8的晶体结构也用X-晶体衍射测定了。
如若这般,当初又为了什么?
3楼2012-04-26 13:20:16
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