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Haiduc I. ReviewInverse coordination. Organic nitrogen heterocycles as coordination centers. A survey of molecular topologies and systematization. Part 1. Five-membered and smaller rings. J COORD CHEM 2019. [DOI: 10.1080/00958972.2019.1641702] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Ionel Haiduc
- Facultatea de Chimie, Universitatea Babeş-Bolyai, Cluj-Napoca, Romania
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Shen K, Logan AWJ, Colell JFP, Bae J, Ortiz GX, Theis T, Warren WS, Malcolmson SJ, Wang Q. Diazirines as Potential Molecular Imaging Tags: Probing the Requirements for Efficient and Long‐Lived SABRE‐Induced Hyperpolarization. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201704970] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kun Shen
- Department of Chemistry Duke University French Family Science Center 124 Science Drive Durham NC 27708 USA
| | - Angus W. J. Logan
- Department of Chemistry Duke University French Family Science Center 124 Science Drive Durham NC 27708 USA
| | - Johannes F. P. Colell
- Department of Chemistry Duke University French Family Science Center 124 Science Drive Durham NC 27708 USA
| | - Junu Bae
- Department of Chemistry Duke University French Family Science Center 124 Science Drive Durham NC 27708 USA
| | - Gerardo X. Ortiz
- Department of Chemistry Duke University French Family Science Center 124 Science Drive Durham NC 27708 USA
| | - Thomas Theis
- Department of Chemistry Duke University French Family Science Center 124 Science Drive Durham NC 27708 USA
| | - Warren S. Warren
- Department of Chemistry Duke University French Family Science Center 124 Science Drive Durham NC 27708 USA
- Department of Physics Duke University USA
- Department of Radiology Duke University USA
| | - Steven J. Malcolmson
- Department of Chemistry Duke University French Family Science Center 124 Science Drive Durham NC 27708 USA
| | - Qiu Wang
- Department of Chemistry Duke University French Family Science Center 124 Science Drive Durham NC 27708 USA
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Shen K, Logan AWJ, Colell JFP, Bae J, Ortiz GX, Theis T, Warren WS, Malcolmson SJ, Wang Q. Diazirines as Potential Molecular Imaging Tags: Probing the Requirements for Efficient and Long-Lived SABRE-Induced Hyperpolarization. Angew Chem Int Ed Engl 2017; 56:12112-12116. [PMID: 28664640 DOI: 10.1002/anie.201704970] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Indexed: 01/06/2023]
Abstract
Diazirines are an attractive class of potential molecular tags for magnetic resonance imaging owing to their biocompatibility and ease of incorporation into a large variety of molecules. As recently reported, 15 N2 -diazirine can be hyperpolarized by the SABRE-SHEATH method, sustaining both singlet and magnetization states, thus offering a path to long-lived polarization storage. Herein, we show the generality of this approach by illustrating that the diazirine tag alone is sufficient for achieving excellent signal enhancements with long-lasting polarization. Our investigations reveal the critical role of Lewis basic additives, including water, on achieving SABRE-promoted hyperpolarization. The application of this strategy to a 15 N2 -diazirine-containing choline derivative demonstrates the potential of 15 N2 -diazirines as molecular imaging tags for biomedical applications.
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Affiliation(s)
- Kun Shen
- Department of Chemistry, Duke University, French Family Science Center, 124 Science Drive, Durham, NC, 27708, USA
| | - Angus W J Logan
- Department of Chemistry, Duke University, French Family Science Center, 124 Science Drive, Durham, NC, 27708, USA
| | - Johannes F P Colell
- Department of Chemistry, Duke University, French Family Science Center, 124 Science Drive, Durham, NC, 27708, USA
| | - Junu Bae
- Department of Chemistry, Duke University, French Family Science Center, 124 Science Drive, Durham, NC, 27708, USA
| | - Gerardo X Ortiz
- Department of Chemistry, Duke University, French Family Science Center, 124 Science Drive, Durham, NC, 27708, USA
| | - Thomas Theis
- Department of Chemistry, Duke University, French Family Science Center, 124 Science Drive, Durham, NC, 27708, USA
| | - Warren S Warren
- Department of Chemistry, Duke University, French Family Science Center, 124 Science Drive, Durham, NC, 27708, USA.,Department of Physics, Duke University, USA.,Department of Radiology, Duke University, USA
| | - Steven J Malcolmson
- Department of Chemistry, Duke University, French Family Science Center, 124 Science Drive, Durham, NC, 27708, USA
| | - Qiu Wang
- Department of Chemistry, Duke University, French Family Science Center, 124 Science Drive, Durham, NC, 27708, USA
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Ackermann MN, Adams DE, Pranata J, Yamauchi CF. Chromium, tungsten, iron, and ruthenium complexes of the 4-membered ring diazene 3,4-diazatricyclo[4.2.1.02,5]non-3-ene. J Organomet Chem 1989. [DOI: 10.1016/0022-328x(81)80006-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Crystal and molecular structure of 3,3,4,4-tetramethyl-3,4-dihydrodiazete bis(pentacarbonyltungsten), (N2C2Me4)[W(CO)5]2. J Organomet Chem 1983. [DOI: 10.1016/s0022-328x(00)98617-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bovio B. Crystal and molecular structure of tetracarbonyl(3,3,4,4-tetramethyl-3,4-dihydrodiazete)-tungsten dimer, [W(N2C2Me4)(CO)4]2. J Organomet Chem 1983. [DOI: 10.1016/s0022-328x(00)98529-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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