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Title: Relating alkaline stability to the structure of quaternary phosphonium cations

A semi-empirical formula based on the Taft equation is established to directly estimate alkaline stability of quaternary phosphonium (QP) cations from the 31 P NMR chemical shift δ and the steric substituent constant E s .
Authors:
 [1] ; ORCiD logo [2] ;  [1] ;  [1] ;  [3] ; ORCiD logo [4] ;  [2] ; ORCiD logo [5]
  1. Univ. of Delaware, Newark, DE (United States). Dept. of Chemical and Biomolecular Engineering
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  3. Wichita State Univ., Wichita, KS (United States). Dept. of Mechanical Engineering
  4. Beijing Univ. of Chemical Technology, Beijing (China). State Key Lab. of Organic–Inorganic Composites; Beijing Univ. of Chemical Technology, Beijing (China). Beijing Advanced Innovation Center for Soft Matter Science and Engineering
  5. Univ. of Delaware, Newark, DE (United States). Dept. of Chemical and Biomolecular Engineering; Beijing Univ. of Chemical Technology, Beijing (China). State Key Lab. of Organic–Inorganic Composites; Beijing Univ. of Chemical Technology, Beijing (China). Beijing Advanced Innovation Center for Soft Matter Science and Engineering
Publication Date:
Report Number(s):
NREL/JA-2C00-72259
Journal ID: ISSN 2046-2069; RSCACL
Grant/Contract Number:
AC36-08GO28308
Type:
Published Article
Journal Name:
RSC Advances
Additional Journal Information:
Journal Volume: 8; Journal Issue: 47; Journal ID: ISSN 2046-2069
Publisher:
Royal Society of Chemistry
Research Org:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; chemical shift; chemical stability; degradation; positive ions
OSTI Identifier:
1461587
Alternate Identifier(s):
OSTI ID: 1467553