ORGANIC SYNTHESES” GLASSES‚aw_Kulczyk.pdf · and 200 ml. of water. The organic layer is dried...

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Method for performing ion – neutral partner reactions Heterogeneous two – phase (organic and inorganic) system, tetraalkylammonium salt as a catalyst Anionic species being continuously introduced into the organic phase Increases yield and speed of many reactions Allows to avoid use of solvents and strong bases PHASE TRANSFER CATALYSIS THROUGH ORGANIC SYNTHESES” GLASSES Stanisław Kulczyk 1 , Michał Fedoryński 2 1) V th High School of Prince Józef Poniatowski, Warsaw 2) Faculty of Chemistry, Warsaw University of Technology 30/2900 procedures (~1%) realised with use of PTC All volumes of the „Organic Syntheses” searched Abstracts reviewed, considering conditions and character of the transformation → list of 71 more feasible reactions created, for example: Phase Transfer Catalysis (PTC) – general and extremely useful method Publishes carefully checked procedures Preparation of compounds of general interest Reactions of general utility 94 volumes released, starting from 1921 ~2900 procedures presented PTC in “Organic Syntheses[1.] OS,25 ,25 [2.] Tetrahedron Lett., 47 , 3871 [3.] OS,49 ,35 [4.] this work [5.] OS,CV1,201 [6.] Synthesis, 1978 , 822

Transcript of ORGANIC SYNTHESES” GLASSES‚aw_Kulczyk.pdf · and 200 ml. of water. The organic layer is dried...

Page 1: ORGANIC SYNTHESES” GLASSES‚aw_Kulczyk.pdf · and 200 ml. of water. The organic layer is dried over anhydrous magnesium sulfate, and the solvent is removed by distillation under

• Method for performing ion – neutral partner reactions• Heterogeneous two – phase (organic and inorganic) system, tetraalkylammonium salt as a catalyst• Anionic species being continuously introduced into the organic phase• Increases yield and speed of many reactions• Allows to avoid use of solvents and strong bases

PHASE TRANSFER CATALYSIS THROUGH

“ORGANIC SYNTHESES” GLASSES

Stanisław Kulczyk1, Michał Fedoryński2

1) Vth High School of Prince Józef Poniatowski, Warsaw2) Faculty of Chemistry, Warsaw University of Technology

• 30/2900 procedures (~1%) realised with use of PTC• All volumes of the „Organic Syntheses” searched• Abstracts reviewed, considering conditions and

character of the transformation→ list of 71 more feasible reactions created, for example:

Phase Transfer Catalysis (PTC) – general and extremely useful method

• Publishes carefully checked procedures• Preparation of compounds of general interest• Reactions of general utility• 94 volumes released, starting from 1921• ~2900 procedures presented

PTC in “Organic Syntheses”

[1.] – OS,25,25

[2.] – Tetrahedron Lett., 47, 3871

[3.] – OS,49,35

[4.] – this work

[5.] – OS,CV1,201

[6.] – Synthesis, 1978, 822