Wednesday, February 19, 2020

Marketing Management Essay Example | Topics and Well Written Essays - 2000 words - 6

Marketing Management - Essay Example Exchange relationships are commonly utilised as marketing strategies with the aim of ensuring that a business establishes viable links and contacts with customers, rather than focusing on making on-the-spot sale. The use of this form of relations in marketing commonly results in relationship marketing as a business strategy, whose success is based on the fulfilment of the promises made to customers. A business must maintain commitment to the promises made to customers as a way of satisfying their needs, while still keeping their promises. The role of customer service representatives in this marketing strategy is critical to its successful application. A business must maintain a continuous relationship with the client as a way of retaining the customers by gaining their trust. Organisations commonly focus on delivering value to customers as a way of nurturing the existing relationship between them and the business. This approach of marketing is basically focused on attracting retaining and extending good and services to the desired customers. Marketing metrics refer to elements that can be used to measure the effectiveness of the marketing strategies employed by an organization in achieving desired marketing objectives. A sales manager might consider reporting the following two metrics to ABC Services; This can be defined as the cost incurred in convincing a customer to purchase services and products from a company. The costs considered include the product costs and the various costs involved in research and marketing before reaching the customer. This metric could be relevant to the company as it can be able to determine the markets in which to venture. While the market analysis might be critical, other factors like the value of customers to the company can also be established. This is essential in determining the amount of resources that a business can use to gain customers. This is a metric

Tuesday, February 4, 2020

Selective Dialkylation of a Doubly Linked Dicyclopentadiene Ligand and Research Paper

Selective Dialkylation of a Doubly Linked Dicyclopentadiene Ligand and the Ensuing Ruthenium Complexes - Research Paper Example The authors state the motivation behind such an approach as â€Å"While Ru3(CO)12 is an ideal starting material with regard to the cis to trans isomeric ratio formed around the doubly linked dicyclopentadienyl ligand, the CO ligand usually requires high heat or photolytic conditions and laborious chemicalsteps to remove it from the metal center. These chemical steps reduce the synthetic versatility of the resulting ruthenium complexes that contain a CO ligand† (Fier, et al., 2011). The paper concludes with a structure refinement of the obtained diruthenium complex which has the structural representation: Synthesis Route The reaction begins with the hydroxyl bromination of 4,4,8,8-tetramethyl-1,4,7,8-tetrahydro-s-indacene (1a; C2v symmetry) and 4,4,8,8-tetramethyl-1,4,5,8-tetrahydro-s-indacene (1b; C2h symmetry) by N-bromosuccinimide (NBS), NH4OAc and H2O/ Acetone. The dehydration of the resulting compound was done under anaerobic conditions in the presence of p-TsOH.H2O to yie ld the compounds 2 a,b. Reaction of 2a,b with MeMgBr in the presence of Ni-(dppf)Br2 (dppf = 1,1?-bis(diphenylphosphino)ferrocene) gave (C5H3Me)2(CMe2)2 (3a,b) in 31% yield. However, it was found that this compound 3 a,b did not react very well with RuCl3.3H20. Adding a bulkier alkyl group could lead to a specific 2,6 bonding making advantage of stearic repulsion with the methyl groups in the 4,8 position. Thus, the first reaction was modified to yield: Reaction of 4a,b with RuCl3 ·3H2O in MeOH (140  °C,15 min) gives a green-black heterogeneous mixture, with filtration of the mixture yielding a dark purple-black solid which was found to be diamagnetic. A subsequent X-ray crystallographic study of the new compound showed it to be the half-sandwich complex cis-{(?5-C5H2-(t-Bu))2(CMe2)2}Ru2(?-Cl)2Cl2 (5), containing RuII / RuII metal centers. The preferred way to synthesize 5 is to bypass the filtration and isolation step of the purple intermediate and to just remove the MeOH solve nt from the crude reactionmixture, add CHCl3, and heat to 80  °C for 15 min to give 5 in 28% yield (Scheme 2). The Structure of 5 shows a Ru?Ru single bond with a bond length of 2.7057(3) A, which would explain the diamagnetic nature of 5. Evidence for the RuII/RuII core is provided by the dissolution of the purple solid in MeCN to form cis-[{(?5-C5H2(t-Bu))2(CMe2)2}Ru2(MeCN)4(?-Cl)]+ (6), Complex 6 can also be synthesized by the reduction of 5 using Zn dust in MeCN and isolated in 62% yield (Scheme 3) The authors have successfully alkylated the 2,6-positions of the doubly linked dicyclopentadiene ligand 1a,b with either Me or tertbutylgroups. When the alkyl groups are tert-butyl groups, the resulting ligand reacts with RuCl3 ·3H2O to yield 5, the doubly linked analogue of [CpRuCl2]2 and [Cp*RuCl2]2. 5 can be reduced with Zn in MeCN to yield 6, an acetonitrile complex with a bridging chloro ligand. The bridging chloro ligand in 6 can be removed by the addition of AgOTf to yield 7, a ruthenium complex containing only the doubly linked dicyclopentadienyland acetonitrile ligands. Chin, R. M., Simonson, A., Mauldin, J., & Criswell, J. (2010). Organometallics , 29 (17), 3868?3875. Fier, P.