Synthesis and thermal reaction of hydrido(selenolato) platinum(II) complex having a 9,10,11,12,14,15-hexahydro-9,10[3′,4′]-furanoanthracenyl group

Catalytic Adaptive Recognition of Thiol (SH) and Selenol (SeH) Groups Toward Synthesis of Functionalized Vinyl Monomers

“…Consequently, the goal of our research is to develop a catalyst for selective recognition and capture of the RZH derivatives (Z = S or Se) and their use as reagents for the preparation of important organic products. For this purpose we have chosen the addition of RZH (Z = S and Se) to the triple bond of acetylenic hydrocarbons (Scheme ) . This addition reaction has a Green Chemistry advantage, as it is 100% atom efficient and does not produce wastes. , It is important to mention that simple metal salts, particularly Pd(OAc) 2 , can be used as catalyst precursors to render the catalytic transformation in a selective manner .…”

“…The transition-metal-catalyzed atom-economic carbon–heteroatom bond formation via the addition reaction to acetylenic hydrocarbons has been the subject of recent studies . Several homogeneous and heterogeneous catalytic systems were investigated for accomplishing the addition of thiols and selenols to multiple carbon–carbon bonds. ,, It was shown that the metal-catalyzed procedure led to the formation of Markovnikov-type product 1 , while a mixture of anti-Markovnikov derivatives 2 and 3 was formed in the reaction without a metal catalyst.…”

“…The transition-metal-catalyzed atom-economic carbon–heteroatom bond formation via the addition reaction to acetylenic hydrocarbons has been the subject of recent studies . Several homogeneous and heterogeneous catalytic systems were investigated for accomplishing the addition of thiols and selenols to multiple carbon–carbon bonds. ,, It was shown that the metal-catalyzed procedure led to the formation of Markovnikov-type product 1 , while a mixture of anti-Markovnikov derivatives 2 and 3 was formed in the reaction without a metal catalyst. Formation of byproduct 4 from the alkyne and two molecules of thiols was accompanied by evolution of molecular hydrogen, and in situ hydrogenation led to byproduct 5 (Scheme ). , Compounds 6 and 7 also can be readily formed after reaction of the second molecule of RZH with alkenes 1 – 3 .…”

The Mechanism for Transition-Metal-Catalyzed Hydrochalcogenation of Unsaturated Organic Molecules

“…The selenaplatinacycle 46 is a thermal reaction product of 43 as observed in other hydrido-selenolato Pt(II) [55][56][57], hydrido-thiolato Pt(II) [58], and hydrido-selenolato Pd(II) [59] complexes. 1H-2-Benzoselenin 47 is a carboselenation product of DMAD with 46 or TripSeH [53].…”

Thermal reaction of a (hydrido)(selenolato)platinum(ii) complex having a dibenzobarrelenyl group leading to three cyclometalations

“…3 In relation to this reaction, we synthesised the first isolable (hydrido)(selenolato)Pt II complex 3 by the reaction of selenol TripSeH with [Pt(h 2 -C 2 H 4 )(PPh 3 ) 2 ], which could lead to selenaplatinacycle 2 by heating or treatment with HBF 4 3 (Scheme 1). In the course of our study on the generality of the above reactions, we have been investigating the effects of transition metals, 4 substituents on selenium, 5 and phosphine ligands 6 in addition to the reactions of 9-triptycenethiol 7 and 9-triptycylgermane with Pt 0 complexes. One of our present interest is, when different types of C(sp 2 )-H bonds exist in a substituent on the selenium of (hydrido)(selenolato)Pt II complexes, which C(sp 2 )-H bond is activated intramolecularly.…”