gave the exo-H isomer (1b, 25%) as well as the endo-H isomer (1a, 75%) of [Pt(η4-C5Me5H)Cl2]. The mixture reacted with AgBF4 in acetone at −78°C to give the mixed endo-H, exo-H isomeric dication solvate complexes [Pt(η4-C5Me5H)(acetone)x]2+(BF4−)2 (2a,b), which decompose at room temperature to give [Pt(η4-C5Me5H)(η5-C5Me5)]+BF4− (3). The same reaction of 1a,b in the presence of dienes (pentamethylcyclopentadiene
钾反应2
氯铂酸4与五
甲基环戊二烯,得到外-H异构体(1B,25%)以及所述内切-H异构体(1A [
PT(η的,75%)4 -C 5我5 1H)
氯2 ] 。将混合物用的AgBF反应4在
丙酮在-78℃下,得到混合内-H,外切-H异构体二价阳离子溶剂化物配合物[
铂(η 4 -C 5我5 H)(
丙酮)X ] 2+(BF 4 −)2(图2a,b),其分解在室温下,得到[
PT(η 4 -C 5我5 H)(η 5 -C 5我5)] + BF 4 - (3)。的相同的反应1A,b中的二烯(五
甲基环戊二烯,
环戊二烯,
1,3-环己二烯,和
1,5-环辛二烯)的存在下发生自发性的去质子化,得到单阳离子络合物,3,[
PT(η 4 -C 5箱5 H)(η 5 -C 5箱5)] + BF 4 - (4A,b),[
PT(η 4 -C 6 H ^ 8)(η 5 -C 5我5)] + BF 4 - (5),和[
PT(η 4 -C