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Essay

Phase transfer catalyst

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Issue:

Science

 

Written by:

Gary M

 

Date added:

July 10, 2015

 

Level:

University

 

Grade:

B

 

No of pages / words:

2 / 361

 

Was viewed:

3126 times

 

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Essay content:

By the addition of small amounts of a phosphonium salt such as hexadecyltributylphosphonium bromide, cyanide ions can be ferried from the water phase into an organic phase (e.g., bromooctane + some hydrocarbon). With the phase transfer catalyst, nonanenitrile (1-cyanooctane) forms quantitatively in 90 minutes at reflux...
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With the phase transfer catalyst, nonanenitrile (1-cyanooctane) forms quantitatively in 90 minutes at reflux.[1] C8H17Br(org) + NaCN(aq) > C8H17CN(org) + NaBr(aq) (catalyzed by a R4P+Cl? PTC) Subsequent work by Herriott and Picker[2] demonstrated that many such reactions can be performed rapidly at around room temperature by using catalysts such as tetra-n-butylammonium bromide or methyltrioctylammonium chloride in benzene/water systems...
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General issues of this essay:
LA Fitness Marketing plan phase iii Marketing Plan - Phase III Marketing Plan: Phase Iii Marketing Plan: Phase Two Supre Purchase Phase Wal-Mart Furniture Stores Phase IV Marketing Plan:Phase III Phase in space Time to Phase Out Affirmative Action B E C: The New Phase Of Matter Phase transfer catalyst Synthesis Of 7.7-Dichlorobicyclo [4.1.0]Heptane – Phase Transfer Catalysis Phase Resource Analysis Phase SDLC Phase 1 & 2
 

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