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1,1,3,3,3‐Pentafluoro‐2‐pentafluorophenylpropene oxide. Precursor for novel phosphonates and ylides

1,1,3,3,3‐Pentafluoro‐2‐pentafluorophenylpropene oxide. Precursor for novel phosphonates and ylides 1,1,3,3,3‐Pentafluoro‐2‐pentafluorophenylpropene oxide reacted with triethyl phosphite to give the ylide C6F5(CF3)C=P(OEt)3. Hydrolysis yielded the phosphonate C6F5(CF3)CHP(O)(OEt)2, which was dehydrofluorinated using Et3N · BF3 to form the vinyl phosphonate C6F5(CF2=)CP(O)(OEt)2, a compound available also directly from the starting epoxide and diethyl trimethylsilyl phosphite. The vinyl phosphonate and diethyl trimethylsilyl phosphite furnished a 2:1 mixture of (Z) and (E) bisphosphonates together with fluorotrimethylsilane. Thermolylsis of the ylide gave diethyl phosphorofluoridate and 1,1‐difluoro‐2‐pentafluorophenyl‐but‐1‐ene. © 1997 John Wiley & Sons, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Heteroatom Chemistry Wiley

1,1,3,3,3‐Pentafluoro‐2‐pentafluorophenylpropene oxide. Precursor for novel phosphonates and ylides

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References (4)

Publisher
Wiley
Copyright
Copyright © 1997 Wiley Subscription Services
ISSN
1042-7163
eISSN
1098-1071
DOI
10.1002/(SICI)1098-1071(1997)8:1<59::AID-HC9>3.0.CO;2-Y
Publisher site
See Article on Publisher Site

Abstract

1,1,3,3,3‐Pentafluoro‐2‐pentafluorophenylpropene oxide reacted with triethyl phosphite to give the ylide C6F5(CF3)C=P(OEt)3. Hydrolysis yielded the phosphonate C6F5(CF3)CHP(O)(OEt)2, which was dehydrofluorinated using Et3N · BF3 to form the vinyl phosphonate C6F5(CF2=)CP(O)(OEt)2, a compound available also directly from the starting epoxide and diethyl trimethylsilyl phosphite. The vinyl phosphonate and diethyl trimethylsilyl phosphite furnished a 2:1 mixture of (Z) and (E) bisphosphonates together with fluorotrimethylsilane. Thermolylsis of the ylide gave diethyl phosphorofluoridate and 1,1‐difluoro‐2‐pentafluorophenyl‐but‐1‐ene. © 1997 John Wiley & Sons, Inc.

Journal

Heteroatom ChemistryWiley

Published: Jan 1, 1997

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