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, Volume: 11( 8)

A FEW ASPECTS OF CROWN ETHER SYNTHESIS

*Correspondence:
YAN WANG Department of Mechanical Engineering, University of Nevada, Netherlands, E-mail: [email protected]

Abstract

         

We fostered another technique for the blend of dibenzo-, benzoaza-, spiroaza-, benzthio-, and other crownethers because of this exploration. High specific yields of crown-ethers were gotten by changing the proportion of responding parts and utilizing various impetuses (ammonium, boron trifluoride etherate), as well as changing the response conditions. It has been examined the interphase debromation of dibroalkanes with crown-ethers.

Keywords

Dichlordiethyl oxide, Ammonium particles, Beckmann reworking of dioximes.

Introduction

With an increment in the application area of full scale cyclic crown-ethers, there has been an expansion in interest in growing new strategies for their union utilizing new sintons. These mixtures show uncommon synthetic properties, most eminently a high capacity to complex. Their metal edifices are broadly utilized in metal particle detachment, extraction processes, interphase catalysis, and catalysis of redox and biochemical cycles. Such mixtures are relied upon to be utilized in gadgets for photometric and brilliant assurance of metal cations, ammonium particles, and a few natural cations. With an increment in the application area of large scale cyclic crown-ethers, there has been an increment in interest in growing new techniques for their union utilizing new sintons. These mixtures show uncommon synthetic properties, most eminently a high capacity to complex. Their metal edifices are broadly utilized in metal particle division, extraction processes, interphase catalysis, and catalysis of redox and biochemical cycles. Such mixtures are relied upon to be utilized in gadgets for photometric and iridescent assurance of metal cations, ammonium particles, and a few natural cations.

With an increment in the application area of full scale cyclic crown-ethers, there has been an expansion in interest in growing new techniques for their union utilizing new sintons. These mixtures display uncommon substance properties, most remarkably a high capacity to complex. Their metal buildings are broadly utilized in metal particle partition, extraction processes, interphase catalysis, and catalysis of redox and biochemical cycles. Such mixtures are relied upon to be utilized in gadgets for photometric and brilliant assurance of metal cations, ammonium particles, and a few natural cations. Right now, phenylazacrown ether subordinates are broadly utilized. They do, notwithstanding, have one basic blemish: their complexation constants with metal particles are low. Union and the improvement of new amalgamation techniques that outcome in exceptional returns of azacrown-ethers are pressing assignments in such manner.Methods for integrating azacrown-ethers containing aryl-, furyl-, and thienyl parts were created. It was found that imidazobenzo-15-crown-5-ether integrated with arylthienyl or bisthienyl structures a safe compound with Pd+2 and Cu+2. Soluble base component alkoxides are utilized as an impetus in the combination of crown-ethers by responding polyethylene glycol with glycol dichlorides. Crown-ethers are acquired as a complex with basic particles, and target item yield is low In our technique, smelling salts arrangement is utilized rather than soluble base metal alkoxides. The response was completed with ethylene glycol or diethylene glycol within the sight of dichlordiethyl oxide. At the point when alkali arrangement is utilized, the result of crown-ether arrives at 85.8 percent. Bifunctional beginning substances, which lead to the development of oligomers, participate in the intramolecular cyclization response. Side responses related with the buildup of the large scale cycle with the underlying substances may likewise happen. Such cycles have a particular person and are simply connected with the properties of the underlying substances, to be specific ethylene oxide oligomerization and Beckmann reworking of dioximes.

Acknowledgements

The author would like to acknowledge Ambo University for their encouragement.