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Title: Reduction of CO2 to methanol using aluminum ester FLPs

Journal Article · · Inorganic Chemistry Communications
 [1];  [2];  [2];  [2];  [2];  [1];  [1]; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. The Univ. of Alabama, Tuscaloosa, AL (United States)
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Herein we report the synthesis of Al-based esters containing halogenated benzene rings. These Lewis acids were paired with phosphines to form frustrated Lewis pairs (FLPs) which could subsequently bind CO2. While these FLPs were not sufficiently water-stable to catalyze the reduction of CO2 to MeOH using NH3BH3 as the reductant, we examine the effect of varying Lewis acid strength. Frustrated Lewis pairs (FLPs) are combinations of Lewis acids and Lewis bases where the acid and base are either sterically or geometrically restricted from interacting as strongly as their electronic structures would allow. This effect leads to enhanced reactivity towards small molecules and, consequently, interest in their potential as metal-free catalysts [1], [2], [3], [4] and [5]. Furthermore, to-date, the biggest success has been based around the ability of a myriad of systems to heterolytically cleave H2 and perform catalytic hydrogenations [2] and [3].

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program
Grant/Contract Number:
AC52-06NA25396; LDRD 20120197ER
OSTI ID:
1329898
Alternate ID(s):
OSTI ID: 1780435
Report Number(s):
LA-UR-15-26338
Journal Information:
Inorganic Chemistry Communications, Vol. 61, Issue C; ISSN 1387-7003
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 6 works
Citation information provided by
Web of Science

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Cited By (2)

Diphosphination of CO 2 and CS 2 mediated by frustrated Lewis pairs – catalytic route to phosphanyl derivatives of formic and dithioformic acid journal January 2019
CO 2 Capture by 2-(Methylamino)pyridine Ligated Aluminum Alkyl Complexes: CO 2 Capture by 2-(Methylamino)pyridine Ligated Aluminum Alkyl Complexes journal May 2020

Figures / Tables (64)

Figure 1(p. 2)figure Figure 1
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Figure 2(p. 4)figure Figure 2
Figure S1(p. 6)figure Figure S1
Table S1 : Part 1(p. 7)table Table S1 : Part 1
Table S1 : Part 2(p. 8)table Table S1 : Part 2
Table S1 : Part 3(p. 9)table Table S1 : Part 3
Figure S2(p. 11)figure Figure S2
Table S2 : Part 1(p. 12)table Table S2 : Part 1
Table S2 : Part 2(p. 13)table Table S2 : Part 2
Table S2 : Part 3(p. 14)table Table S2 : Part 3
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Table S3(p. 43)table Table S3
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Table S9 : Part 1(p. 48)table Table S9 : Part 1
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Table S9 : Part 9(p. 56)table Table S9 : Part 9
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Table S9 : Part 11(p. 58)table Table S9 : Part 11
Table S9 : Part 12(p. 59)table Table S9 : Part 12
Table S9 : Part 13(p. 60)table Table S9 : Part 13
Table 9 : Part 14(p. 61)table Table 9 : Part 14
Table 9 : Part 15(p. 62)table Table 9 : Part 15
Table 9 : Part 16(p. 63)table Table 9 : Part 16
Table 9 : Part 17(p. 64)table Table 9 : Part 17
Table 9 : Part 18(p. 65)table Table 9 : Part 18
Table 9 : Part 19(p. 66)table Table 9 : Part 19
Table 9 : Part 20(p. 67)table Table 9 : Part 20

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
inorganic and physical chemistry
frustrated Lewis pair
CO2
MeOH
ammonia borane