|
1
|
Masonheimer CL, Atwood MG, Hartzell SE, Reph EA, Pike RD, Stockland RA. Syn-Insertion of Alkynes into Gold–Phosphito Bonds: Stereoselectivity and Reversible Protodeauration. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Carly L. Masonheimer
- Department of Chemistry, Bucknell University, Lewisburg, Pennsylvania 17837, United States
| | - Madeleine G. Atwood
- Department of Chemistry, Bucknell University, Lewisburg, Pennsylvania 17837, United States
| | - Susan E. Hartzell
- Department of Chemistry, Bucknell University, Lewisburg, Pennsylvania 17837, United States
| | - Erin A. Reph
- Department of Chemistry, Bucknell University, Lewisburg, Pennsylvania 17837, United States
| | - Robert D. Pike
- Department of Chemistry, The College of William and Mary, Williamsburg, Virginia 23185, United States
| | - Robert A. Stockland
- Department of Chemistry, Bucknell University, Lewisburg, Pennsylvania 17837, United States
| |
Collapse
|
|
2
|
Yuan T, Ye X, Zhao P, Teng S, Yi Y, Wang J, Shan C, Wojtas L, Jean J, Chen H, Shi X. Regioselective Crossed Aldol Reactions under Mild Conditions via Synergistic Gold-Iron Catalysis. Chem 2020; 6:1420-1431. [PMID: 38250714 PMCID: PMC10798669 DOI: 10.1016/j.chempr.2020.03.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A synergistic gold/iron catalytic system was developed for sequential alkyne hydration and vinyl gold addition to aldehydes or ketones. Fe(acac)3 was identified as an essential co-catalyst in preventing vinyl gold protodeauration and facilitating nucleophilic additions. Effective C-C bond formation was achieved under mild conditions (r.t.) with excellent regioselectivity and high efficiency (1% [Au], up to 95% yields). Extending reaction scope to intramolecular fashion achieved successful macrocyclization (16-31 ring sizes) with excellent yields (up to 90%, gram-scale) without extended dilution (0.2 M), which highlighted the great potential of this new crossed-aldol strategy in challenging target molecule synthesis.
Collapse
Affiliation(s)
- Teng Yuan
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| | - Xiaohan Ye
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| | - Pengyi Zhao
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ, USA
| | - Shun Teng
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| | - Yaping Yi
- Department of Chemistry, Tsinghua University, Beijing, China
| | - Jin Wang
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| | - Chuan Shan
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| | - Lukasz Wojtas
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| | - Jonathan Jean
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| | - Hao Chen
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ, USA
| | - Xiaodong Shi
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| |
Collapse
|