{"id":504,"date":"2023-07-22T22:58:53","date_gmt":"2023-07-22T22:58:53","guid":{"rendered":"https:\/\/chemuza.org\/tr\/wilkinson-katalizoru\/"},"modified":"2023-07-22T22:58:53","modified_gmt":"2023-07-22T22:58:53","slug":"wilkinson-katalizoru","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/wilkinson-katalizoru\/","title":{"rendered":"Wilkinson kataliz\u00f6r\u00fc \u2013 rhcl(pph3)2, 14694-95-2"},"content":{"rendered":"<p>Wilkinson kataliz\u00f6r\u00fc veya RhCl(PPh3)2, organik sentezde, \u00f6zellikle hidrojenasyon reaksiyonlar\u0131nda kullan\u0131lan \u00e7ok aktif bir homojen kataliz\u00f6rd\u00fcr. Fosfin ligandlar\u0131na sahip bir rodyum kompleksinden olu\u015fur.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> IUPAC Ad\u0131<\/td>\n<td> Kloridtris(trifenilfosfin)rodyum(I)<\/td>\n<\/tr>\n<tr>\n<td> Molek\u00fcler form\u00fcl<\/td>\n<td> C54H45ClP3Rh<\/td>\n<\/tr>\n<tr>\n<td> CAS numaras\u0131<\/td>\n<td> 14694-95-2<\/td>\n<\/tr>\n<tr>\n<td> E\u015f anlaml\u0131<\/td>\n<td> Rodyum trifenilfosfin klor\u00fcr kompleksi, Wilkinson kataliz\u00f6r\u00fc, RhCl(PPh3)3, rodyum(I) trifenilfosfin klor\u00fcr kompleksi, rodyum trifenilfosfin klor\u00fcr, rodyum trifenilfosfin klor\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> InChI<\/td>\n<td> InChI=1S\/2C18H15P.2ClH.Rh\/c21-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9- 15-18;;;\/h21-15H;2*1H;\/q;;;;+3\/p-3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h6 class=\"wp-block-heading\"> Wilkinson Kataliz\u00f6r Molar K\u00fctlesi<\/h6>\n<p> RhCl(PPh3)2 olarak da bilinen Wilkinson kataliz\u00f6r\u00fcn\u00fcn molar k\u00fctlesi 925,08 g\/mol&#8217;d\u00fcr. Bu de\u011fer, rodyum, klor, karbon, hidrojen ve fosfor dahil olmak \u00fczere kompleksi olu\u015fturan elementlerin atomik k\u00fctlelerinin toplam\u0131ndan elde edilir. Wilkinson kataliz\u00f6r\u00fcn\u00fcn molar k\u00fctlesi, belirli bir reaksiyon i\u00e7in gereken kataliz\u00f6r miktar\u0131n\u0131n belirlenmesinde \u00f6nemli bir parametredir.<\/p>\n<h6 class=\"wp-block-heading\"> Wilkinson kataliz\u00f6r\u00fcn\u00fcn kaynama noktas\u0131<\/h6>\n<p> Wilkinson kataliz\u00f6r\u00fc genellikle homojen bir kataliz\u00f6r olarak kullan\u0131l\u0131r ve bu nedenle iyi tan\u0131mlanm\u0131\u015f bir kaynama noktas\u0131na sahip de\u011fildir. Ancak ayr\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 180\u00b0C civar\u0131nda olacakt\u0131r. Daha y\u00fcksek s\u0131cakl\u0131klarda Wilkinson kataliz\u00f6r\u00fc ayr\u0131\u015fabilir ve katalitik aktivitesini kaybedebilir.<\/p>\n<h6 class=\"wp-block-heading\"> Wilkinson Kataliz\u00f6r\u00fc Erime Noktas\u0131<\/h6>\n<p> RhCl(PPh3)3 olarak da bilinen Wilkinson kataliz\u00f6r\u00fcn\u00fcn erime noktas\u0131 yakla\u015f\u0131k 207-209\u00b0C&#8217;dir. Bu de\u011fer, kataliz\u00f6r\u00fcn safl\u0131\u011f\u0131na ve \u00f6l\u00e7\u00fcm y\u00f6ntemine ba\u011fl\u0131 olarak biraz de\u011fi\u015febilir.<\/p>\n<h6 class=\"wp-block-heading\"> Wilkinson kataliz\u00f6r\u00fcn\u00fcn yo\u011funlu\u011fu g\/ml<\/h6>\n<p> Wilkinson kataliz\u00f6r\u00fcn\u00fcn yo\u011funlu\u011fu yakla\u015f\u0131k 1,4 g\/mL olacakt\u0131r. Bu de\u011fer ayn\u0131 zamanda kataliz\u00f6r\u00fcn safl\u0131\u011f\u0131na ve \u00f6l\u00e7\u00fcm y\u00f6ntemine ba\u011fl\u0131 olarak da de\u011fi\u015febilmektedir.<\/p>\n<h6 class=\"wp-block-heading\"> Wilkinson Kataliz\u00f6r\u00fc Molek\u00fcl A\u011f\u0131rl\u0131\u011f\u0131<\/h6>\n<p> RhCl(PPh3)3 olarak da bilinen Wilkinson kataliz\u00f6r\u00fcn\u00fcn molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 925,08 g\/mol&#8217;d\u00fcr. Bu de\u011fer, kompleksi olu\u015fturan atomlar\u0131n atom a\u011f\u0131rl\u0131klar\u0131 toplanarak hesaplan\u0131r. Molek\u00fcl a\u011f\u0131rl\u0131\u011f\u0131, kataliz\u00f6r i\u00e7eren reaksiyonlar\u0131n stokiyometrisinin belirlenmesinde \u00f6nemlidir.<\/p>\n<h6 class=\"wp-block-heading\"> Wilkinson kataliz\u00f6r\u00fcn\u00fcn yap\u0131s\u0131 <\/h6>\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/Wilkinson-s-catalyst.png\" alt=\"\" width=\"258\" height=\"118\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<p> Wilkinson kataliz\u00f6r\u00fcn\u00fcn yap\u0131s\u0131 veya RhCl(PPh3)3, \u00fc\u00e7 trifenilfosfin ligand\u0131 (PPh3) ve bir klor\u00fcr iyonu (Cl-) ile koordine edilen bir rodyum atomundan olu\u015fur. Kompleks, merkezde rodyum atomu ve \u00e7evresinde d\u00fcz bir d\u00fczlemde d\u00fczenlenmi\u015f d\u00f6rt ligand ile kare d\u00fczlemsel bir geometriye sahiptir. PPh3 ligandlar\u0131 kompleksin stabilizasyonu ve organik sentezdeki reaktivitesinin kolayla\u015ft\u0131r\u0131lmas\u0131 a\u00e7\u0131s\u0131ndan \u00f6nemlidir.<\/p>\n<h6 class=\"wp-block-heading\"> Wilkinson&#8217;\u0131n kataliz\u00f6r form\u00fcl\u00fc<\/h6>\n<p> Wilkinson kataliz\u00f6r\u00fcn\u00fcn form\u00fcl\u00fc RhCl(PPh3)3&#8217;t\u00fcr. Bu form\u00fcl kompleksin stokiyometrisini temsil eder ve komplekste bir rodyum atomu, bir klor\u00fcr iyonu ve \u00fc\u00e7 trifenilfosfin ligand\u0131n\u0131n bulundu\u011funu g\u00f6sterir. Form\u00fcl, belirli bir reaksiyon i\u00e7in gereken kataliz\u00f6r miktar\u0131n\u0131n belirlenmesinin yan\u0131 s\u0131ra \u00fcr\u00fcn\u00fcn teorik veriminin hesaplanmas\u0131 a\u00e7\u0131s\u0131ndan da \u00f6nemlidir.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> D\u0131\u015f g\u00f6r\u00fcn\u00fc\u015f<\/td>\n<td> Koyu k\u0131rm\u0131z\u0131 kristal kat\u0131<\/td>\n<\/tr>\n<tr>\n<td> Spesifik yer \u00e7ekimi<\/td>\n<td> 1.4g\/ml<\/td>\n<\/tr>\n<tr>\n<td> Renk<\/td>\n<td> Koyu K\u0131rm\u0131z\u0131<\/td>\n<\/tr>\n<tr>\n<td> Koku<\/td>\n<td> Kokusuz<\/td>\n<\/tr>\n<tr>\n<td> Molar k\u00fctle<\/td>\n<td> 925,08 gr\/mol<\/td>\n<\/tr>\n<tr>\n<td> Yo\u011funluk<\/td>\n<td> 1.4g\/ml<\/td>\n<\/tr>\n<tr>\n<td> F\u00fczyon noktas\u0131<\/td>\n<td> 207-209\u00b0C<\/td>\n<\/tr>\n<tr>\n<td> Kaynama noktas\u0131<\/td>\n<td> ~180\u00b0C&#8217;de bozunur<\/td>\n<\/tr>\n<tr>\n<td> Fla\u015f noktas\u0131<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> \u00c7\u00f6z\u00fcnmez<\/td>\n<\/tr>\n<tr>\n<td> \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> Benzen, toluen ve kloroform gibi organik \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> Buhar bas\u0131nc\u0131<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> Buhar yo\u011funlu\u011fu<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> pKa<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> pH<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p> Not: Bu tabloda sunulan de\u011ferler yakla\u015f\u0131k de\u011ferlerdir ve bilgi kayna\u011f\u0131na g\u00f6re de\u011fi\u015fiklik g\u00f6sterebilir.<\/p>\n<h5 class=\"wp-block-heading\"> <strong>Wilkinson Kataliz\u00f6r\u00fc G\u00fcvenli\u011fi ve Tehlikeleri<\/strong><\/h5>\n<p> Wilkinson kataliz\u00f6r\u00fcyle \u00e7al\u0131\u015f\u0131rken potansiyel tehlikelerden ka\u00e7\u0131nmak i\u00e7in uygun g\u00fcvenlik \u00f6nlemlerinin al\u0131nmas\u0131 \u00f6nemlidir. Kompleksin \u00e7ok toksik oldu\u011fu d\u00fc\u015f\u00fcn\u00fclmemektedir, ancak yine de kazara yutulmas\u0131n\u0131 veya solunmas\u0131n\u0131 \u00f6nlemek i\u00e7in dikkatle kullan\u0131lmal\u0131d\u0131r. Kataliz\u00f6r kullan\u0131l\u0131rken g\u00f6zlere veya cilde temas\u0131ndan ka\u00e7\u0131n\u0131lmal\u0131 ve eldiven ve koruyucu g\u00f6zl\u00fck gibi uygun koruyucu ekipmanlar giyilmelidir. Ek olarak Wilkinson kataliz\u00f6r\u00fc serin, kuru ve iyi havaland\u0131r\u0131lm\u0131\u015f bir alanda, \u0131s\u0131 veya alev kaynaklar\u0131ndan uzakta saklanmal\u0131d\u0131r. Kullan\u0131lmayan kataliz\u00f6r\u00fcn imhas\u0131 yerel d\u00fczenlemelere uygun olarak ger\u00e7ekle\u015ftirilmelidir.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> Tehlike sembolleri<\/td>\n<td> Hi\u00e7biri atanmad\u0131<\/td>\n<\/tr>\n<tr>\n<td> G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n<td> S22: Tozunu\/duman\u0131n\u0131\/gaz\u0131n\u0131\/sisini\/buhar\u0131n\u0131\/aerosollerini solumay\u0131n. S24\/25: Cilt ve g\u00f6zlerle temas\u0131ndan ka\u00e7\u0131n\u0131n. S36\/37\/39: Uygun koruyucu k\u0131yafet, eldiven ve g\u00f6z\/y\u00fcz korumas\u0131 kullan\u0131n.<\/td>\n<\/tr>\n<tr>\n<td> BM kimlik numaralar\u0131<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> HS kodu<\/td>\n<td> 28500090<\/td>\n<\/tr>\n<tr>\n<td> Tehlike s\u0131n\u0131f\u0131<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> Paketleme grubu<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> Toksisite<\/td>\n<td> D\u00fc\u015f\u00fck toksisite; \u00e7ok toksik olarak kabul edilmez ancak yine de kazara yutulmas\u0131n\u0131 veya solunmas\u0131n\u0131 \u00f6nlemek i\u00e7in dikkatli kullan\u0131lmal\u0131d\u0131r.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"> <strong><br \/>Wilkinson Kataliz\u00f6r Sentez Y\u00f6ntemleri<\/strong><\/h5>\n<p> Wilkinson kataliz\u00f6r\u00fcn\u00fc sentezlemek i\u00e7in yayg\u0131n olarak kullan\u0131lan y\u00f6ntem, rodyum(III) klor\u00fcr hidrat\u0131n geri ak\u0131\u015fl\u0131 etanol i\u00e7erisinde fazla trifenilfosfin ile i\u015flenmesini i\u00e7erir. Bu y\u00f6ntem \u015fu \u015fekilde ger\u00e7ekle\u015ftirilebilir:<\/p>\n<p> \u0130lk olarak, bir \u00e7\u00f6zelti olu\u015fturmak i\u00e7in hidratlanm\u0131\u015f rodyum(III) klor\u00fcr\u00fc etanol i\u00e7inde \u00e7\u00f6z\u00fcn. Daha sonra \u00e7\u00f6zeltiye fazla miktarda trifenilfosfin ekleyin ve kar\u0131\u015f\u0131m\u0131 birka\u00e7 saat boyunca geri ak\u0131t\u0131n. Sar\u0131dan k\u0131rm\u0131z\u0131ya renk de\u011fi\u015fimiyle tan\u0131mlanabilen kataliz\u00f6r\u00fcn olu\u015fumu i\u00e7in \u00e7\u00f6zeltiyi izleyin.<\/p>\n<p> Sentez i\u015flemi s\u0131ras\u0131nda trifenilfosfin hem ligand hem de indirgeyici madde olarak g\u00f6rev yapar. \u00dc\u00e7 e\u015fde\u011fer trifenilfosfin, rodyum atomu ile koordineli olarak stabil bir kompleks olu\u015ftururken, d\u00f6rd\u00fcnc\u00fc e\u015fde\u011fer, rodyum(III)&#8217;\u00fc rodyum(I)&#8217;e indirger. Sonu\u00e7 olarak reaksiyonun son \u00fcr\u00fcn\u00fc, rodyum merkezine \u00fc\u00e7 trifenilfosfin ligand\u0131n\u0131n ba\u011fl\u0131 oldu\u011fu RhCl(PPh3)3&#8217;t\u00fcr.<\/p>\n<p> Wilkinson kataliz\u00f6r\u00fcn\u00fcn sentezi tamamland\u0131ktan sonra, reaksiyon kar\u0131\u015f\u0131m\u0131n\u0131n filtrelenmesi ve etanol ve dietil eter ile y\u0131kanmas\u0131 yoluyla kataliz\u00f6r izole edilebilir. Elde edilen kat\u0131 daha sonra vakum alt\u0131nda kurutulur. Kataliz\u00f6r\u00fcn safl\u0131\u011f\u0131n\u0131 ve aktivitesini tehlikeye atabilecek hava ve neme maruz kalmas\u0131n\u0131 \u00f6nlemek i\u00e7in kataliz\u00f6r\u00fcn dikkatli bir \u015fekilde kullan\u0131lmas\u0131 \u00f6nemlidir.<\/p>\n<p> Genel olarak bu y\u00f6ntem, Wilkinson kataliz\u00f6r\u00fcn\u00fc b\u00fcy\u00fck \u00f6l\u00e7ekte sentezlemek i\u00e7in nispeten basit ve etkili bir yol sa\u011flar.<\/p>\n<h5 class=\"wp-block-heading\"> <strong>Wilkinson Kataliz\u00f6r\u00fcn\u00fcn Kullan\u0131m Alanlar\u0131<\/strong><\/h5>\n<p> Wilkinson kataliz\u00f6r\u00fcn\u00fcn organik sentezde \u00e7ok y\u00f6nl\u00fc uygulamalar\u0131 vard\u0131r.<\/p>\n<ul>\n<li> Alkenler ve alkinler gibi doymam\u0131\u015f organik bile\u015fiklerin hidrojenasyonunu desteklemek i\u00e7in yayg\u0131n olarak kullan\u0131l\u0131r.<\/li>\n<li> Kataliz\u00f6r, alkenlerin do\u011frusal alkollere d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi i\u015flemi olan hidroformilasyonda \u00e7ok \u00f6nemlidir.<\/li>\n<li> Wilkinson kataliz\u00f6r\u00fc farmas\u00f6tiklerin, tar\u0131m kimyasallar\u0131n\u0131n ve polimerik malzemelerin sentezinde yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/li>\n<li> CC ve CO ba\u011flar\u0131n\u0131n olu\u015fumu da dahil olmak \u00fczere karma\u015f\u0131k organik molek\u00fcllerin sentezine yol a\u00e7an \u00e7e\u015fitli reaksiyonlar\u0131 destekleyebilir.<\/li>\n<li> Kataliz\u00f6r, spesifik reaksiyon sonu\u00e7lar\u0131na ula\u015fmak i\u00e7in s\u0131kl\u0131kla di\u011fer kataliz\u00f6rlerle kombinasyon halinde kullan\u0131l\u0131r.<\/li>\n<\/ul>\n<p> Wilkinson kataliz\u00f6r\u00fcn\u00fcn kullan\u0131m\u0131 daha verimli ve s\u00fcrd\u00fcr\u00fclebilir kimyasal i\u015flemlere yol a\u00e7ar. Bu, at\u0131k olu\u015fumunu ve enerji t\u00fcketimini azaltarak s\u00fcrd\u00fcr\u00fclebilir kimyasal uygulamalar\u0131 te\u015fvik edebilir.<\/p>\n<p> <strong>Sorular:<\/strong><\/p>\n<h6 class=\"wp-block-heading\"> Wilkinson kataliz\u00f6r hibridizasyonu<\/h6>\n<p> Wilkinson kataliz\u00f6r\u00fcn\u00fcn (RhCl(PPh3)3) hibridizasyonu, merkezi rodyum atomunun \u00e7evredeki atomlarla kimyasal ba\u011flar olu\u015fturmak \u00fczere hibridizasyona u\u011framas\u0131n\u0131 i\u00e7erir.<\/p>\n<p> Wilkinson kataliz\u00f6r\u00fcndeki rodyum atomu d8 elektron konfig\u00fcrasyonuna sahiptir, bu da kimyasal ba\u011flanma i\u00e7in 8 de\u011ferlik elektronuna sahip oldu\u011fu anlam\u0131na gelir. \u00dc\u00e7 trifenilfosfin (PPh3) ligand\u0131n\u0131n ve bir klor\u00fcr (Cl) ligand\u0131n\u0131n varl\u0131\u011f\u0131nda rodyum atomu, bozuk d\u00fczlemsel kare geometriye sahip bir kompleks olu\u015fturur.<\/p>\n<p> Wilkinson kataliz\u00f6r\u00fcnde rodyum atomunun hibridizasyonu bir sp3d2 hibridizasyonudur. Bu, rodyum atomunun, be\u015f sp3d2 hibrit y\u00f6r\u00fcnge olu\u015fturmak i\u00e7in bir 4s y\u00f6r\u00fcngesi, \u00fc\u00e7 4p y\u00f6r\u00fcngesi ve bir 4d y\u00f6r\u00fcngesi dahil olmak \u00fczere be\u015f atomik y\u00f6r\u00fcnge kulland\u0131\u011f\u0131 anlam\u0131na gelir.<\/p>\n<p> Wilkinson kataliz\u00f6r\u00fcnde merkezi rodyum atomlar\u0131 sp3d2 hibridizasyonuna u\u011frar ve sonu\u00e7ta be\u015f hibrid y\u00f6r\u00fcnge olu\u015fur. Bu hibrit y\u00f6r\u00fcngelerden biri, klor\u00fcr ligand\u0131yla bir sigma ba\u011f\u0131 olu\u015ftururken, geri kalan d\u00f6rt hibrit y\u00f6r\u00fcnge, \u00fc\u00e7 trifenilfosfin ligand\u0131yla sigma ba\u011flar\u0131 olu\u015fturur. Rodyum atomunun 4d y\u00f6r\u00fcngelerinden ikisi ligandlarla pi ba\u011flar\u0131 olu\u015fturarak koordinasyon k\u00fcresini tamamlar.<\/p>\n<p> Genel olarak, Wilkinson kataliz\u00f6r\u00fcndeki rodyum atomunun sp3d2 hibridizasyonu, \u00e7evresindeki ligandlarla g\u00fc\u00e7l\u00fc kimyasal ba\u011flanmaya izin verir; bu, \u00e7e\u015fitli organik reaksiyonlarda homojen bir kataliz\u00f6r olarak etkinli\u011fi a\u00e7\u0131s\u0131ndan \u00e7ok \u00f6nemlidir.<\/p>\n<h6 class=\"wp-block-heading\"> Wilkinson kataliz\u00f6r\u00fcn\u00fcn se\u00e7icili\u011fi<\/h6>\n<p> Wilkinson kataliz\u00f6r\u00fc, organik sentezlerde spesifik reaksiyon sonu\u00e7lar\u0131na ula\u015fmak i\u00e7in s\u0131kl\u0131kla kullan\u0131lan olduk\u00e7a se\u00e7ici bir kataliz\u00f6rd\u00fcr. Kataliz\u00f6r, benzersiz elektronik ve sterik \u00f6zelliklerinden dolay\u0131 y\u00fcksek se\u00e7icilik sergiler ve bu, farkl\u0131 t\u00fcrdeki reaktanlar ve ara \u00fcr\u00fcnler aras\u0131nda ayr\u0131m yap\u0131lmas\u0131na olanak tan\u0131r.<\/p>\n<p> \u00d6rne\u011fin hidrojenasyon reaksiyonlar\u0131nda Wilkinson kataliz\u00f6r\u00fcn\u00fcn, C=O ve C\u2261C ba\u011flar\u0131 gibi di\u011fer fonksiyonel gruplar\u0131n varl\u0131\u011f\u0131nda C=C ba\u011flar\u0131n\u0131n indirgenmesi i\u00e7in y\u00fcksek se\u00e7icilik sergiledi\u011fi g\u00f6sterilmi\u015ftir. . Bu se\u00e7icilik, iridyum iyonunun C=C ba\u011f\u0131yla tercihen etkile\u015fime girmesine ve indirgenmesini te\u015fvik etmesine olanak tan\u0131yan elektronik \u00f6zelliklerinden kaynaklan\u0131r.<\/p>\n<p> Benzer \u015fekilde, hidroformilasyon reaksiyonlar\u0131nda Wilkinson kataliz\u00f6r\u00fc, dallanm\u0131\u015f veya siklik aldehitlerden ziyade do\u011frusal aldehitlerin olu\u015fumu i\u00e7in se\u00e7icilik sergiler. Bu se\u00e7icilik, reaksiyon s\u0131ras\u0131nda reaktanlar\u0131n ve ara \u00fcr\u00fcnlerin oryantasyonunu kontrol etmeye yard\u0131mc\u0131 olan ligandlar\u0131n sterik \u00f6zelliklerinden kaynaklan\u0131r.<\/p>\n<h6 class=\"wp-block-heading\"> Wilkinson&#8217;\u0131n kataliz\u00f6r form\u00fcl\u00fc<\/h6>\n<p> Wilkinson kataliz\u00f6r\u00fcn\u00fcn form\u00fcl\u00fc, rodyum atomu (Rh), bir klor\u00fcr iyonu (Cl) ve \u00fc\u00e7 trifenilfosfin ligand\u0131 (PPh3) aras\u0131nda olu\u015fan kompleksi temsil eden RhCl(PPh3)3&#8217;t\u00fcr.<\/p>\n<p> Wilkinson kataliz\u00f6r\u00fcnde rodyum atomu aktif olarak +1 oksidasyon durumu sergiler ve klor\u00fcr iyonu ve \u00fc\u00e7 trifenilfosfin ligand\u0131yla koordinasyon ba\u011flar\u0131 olu\u015fturur. Klor\u00fcr iyonu ve trifenilfosfin ligandlar\u0131 elektron don\u00f6rleri olarak i\u015flev g\u00f6r\u00fcr ve rodyum atomu ile etkile\u015fime girerek kompleksi aktif olarak stabilize eder.<\/p>\n<p> Trifenilfosfin ligandlar\u0131, rodyum atomuna ba\u011fl\u0131 merkezi bir fosfor atomuna ba\u011fl\u0131 \u00fc\u00e7 fenil halkas\u0131ndan olu\u015fur. Bu ligandlar kompleksin stabilize edilmesinde ve \u00e7e\u015fitli organik reaksiyonlardaki reaktivitesinin etkilenmesinde \u00f6nemli bir rol oynar.<\/p>\n<p> Wilkinson kataliz\u00f6r\u00fcn\u00fcn genel form\u00fcl\u00fc, RhCl(PPh3)3, kompleksin stokiyometrisini ve ilgili ligandlar\u0131n ve merkezi metal atomunun do\u011fas\u0131n\u0131 g\u00f6sterir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wilkinson kataliz\u00f6r\u00fc veya RhCl(PPh3)2, organik sentezde, \u00f6zellikle hidrojenasyon reaksiyonlar\u0131nda kullan\u0131lan \u00e7ok aktif bir homojen kataliz\u00f6rd\u00fcr. Fosfin ligandlar\u0131na sahip bir rodyum kompleksinden olu\u015fur. IUPAC Ad\u0131 Kloridtris(trifenilfosfin)rodyum(I) Molek\u00fcler form\u00fcl C54H45ClP3Rh CAS numaras\u0131 14694-95-2 E\u015f anlaml\u0131 Rodyum trifenilfosfin klor\u00fcr kompleksi, Wilkinson kataliz\u00f6r\u00fc, RhCl(PPh3)3, rodyum(I) trifenilfosfin klor\u00fcr kompleksi, rodyum trifenilfosfin klor\u00fcr, rodyum trifenilfosfin klor\u00fcr InChI InChI=1S\/2C18H15P.2ClH.Rh\/c21-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9- 15-18;;;\/h21-15H;2*1H;\/q;;;;+3\/p-3 Wilkinson Kataliz\u00f6r &#8230; <a title=\"Wilkinson kataliz\u00f6r\u00fc \u2013 rhcl(pph3)2, 14694-95-2\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/wilkinson-katalizoru\/\" aria-label=\"More on Wilkinson kataliz\u00f6r\u00fc \u2013 rhcl(pph3)2, 14694-95-2\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - 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