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Showing 1 to 12 of 146 entries
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Tandem Coupling of Azide with Isonitrile and Boronic Acid: Facile Access to Functionalized Amidines.

Angewandte Chemie (International ed. in English)

Zhang Z, Huang B, Qiao G, Zhu L, Xiao F, Chen F, Fu B, Zhang Z.
PMID: 28319297
Angew Chem Int Ed Engl. 2017 Apr 03;56(15):4320-4323. doi: 10.1002/anie.201700539. Epub 2017 Mar 20.

Amidine is a notable nitrogen-containing structural motif found in bioactive natural products and pharmaceuticals. Herein, a novel rhodium(I)-catalyzed tandem reaction of readily accessible azides with isonitriles and boronic acids via a carbodiimide intermediate is achieved. This protocol offers an...

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Zhang Z, Huang B, Qiao G, et al. Tandem Coupling of Azide with Isonitrile and Boronic Acid: Facile Access to Functionalized Amidines. Angew Chem Int Ed Engl. 2017;56(15):4320-4323doi: 10.1002/anie.201700539.
Zhang, Z., Huang, B., Qiao, G., Zhu, L., Xiao, F., Chen, F., Fu, B., & Zhang, Z. (2017). Tandem Coupling of Azide with Isonitrile and Boronic Acid: Facile Access to Functionalized Amidines. Angewandte Chemie (International ed. in English), 56(15), 4320-4323. https://doi.org/10.1002/anie.201700539
Zhang, Zhen, et al. "Tandem Coupling of Azide with Isonitrile and Boronic Acid: Facile Access to Functionalized Amidines." Angewandte Chemie (International ed. in English) vol. 56,15 (2017): 4320-4323. doi: https://doi.org/10.1002/anie.201700539
Zhang Z, Huang B, Qiao G, Zhu L, Xiao F, Chen F, Fu B, Zhang Z. Tandem Coupling of Azide with Isonitrile and Boronic Acid: Facile Access to Functionalized Amidines. Angew Chem Int Ed Engl. 2017 Apr 03;56(15):4320-4323. doi: 10.1002/anie.201700539. Epub 2017 Mar 20. PMID: 28319297.
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One-pot synthesis of diverse N,N'-disubstituted guanidines from N-chlorophthalimide, isocyanides and amines via N-phthaloyl-guanidines.

Organic & biomolecular chemistry

Demjén A, Angyal A, Wölfling J, Puskás LG, Kanizsai I.
PMID: 29517090
Org Biomol Chem. 2018 Mar 28;16(12):2143-2149. doi: 10.1039/c7ob03109b. Epub 2018 Mar 08.

A sequential one-pot approach towards N,N'-disubstituted guanidines from N-chlorophthalimide, isocyanides and amines is reported. This strategy provides straightforward and efficient access to diverse guanidines in yields up to 81% through previously unprecedented N-phthaloylguanidines. This protocol also features wide substrate...

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Demjén A, Angyal A, Wölfling J, et al. One-pot synthesis of diverse N,N'-disubstituted guanidines from N-chlorophthalimide, isocyanides and amines via N-phthaloyl-guanidines. Org Biomol Chem. 2018;16(12):2143-2149doi: 10.1039/c7ob03109b.
Demjén, A., Angyal, A., Wölfling, J., Puskás, L. G., & Kanizsai, I. (2018). One-pot synthesis of diverse N,N'-disubstituted guanidines from N-chlorophthalimide, isocyanides and amines via N-phthaloyl-guanidines. Organic & biomolecular chemistry, 16(12), 2143-2149. https://doi.org/10.1039/c7ob03109b
Demjén, András, et al. "One-pot synthesis of diverse N,N'-disubstituted guanidines from N-chlorophthalimide, isocyanides and amines via N-phthaloyl-guanidines." Organic & biomolecular chemistry vol. 16,12 (2018): 2143-2149. doi: https://doi.org/10.1039/c7ob03109b
Demjén A, Angyal A, Wölfling J, Puskás LG, Kanizsai I. One-pot synthesis of diverse N,N'-disubstituted guanidines from N-chlorophthalimide, isocyanides and amines via N-phthaloyl-guanidines. Org Biomol Chem. 2018 Mar 28;16(12):2143-2149. doi: 10.1039/c7ob03109b. Epub 2018 Mar 08. PMID: 29517090.
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Tandem deprotonation/azide-tetrazole tautomerization of 4,6-diazido-N-nitro-1,3,5-triazin-2-amine in dimethylsulfoxide solutions: a theoretical study.

Physical chemistry chemical physics : PCCP

Chapyshev SV, Ushakov EN.
PMID: 26073044
Phys Chem Chem Phys. 2015 Jul 14;17(26):17296-300. doi: 10.1039/c5cp02096d.

4,6-Diazido-N-nitro-1,3,5-triazin-2-amine (2) is a new promising high-energy organic compound that isomerizes in dimethylsulfoxide (DMSO) solutions to form unknown products with interesting 13C and 15N NMR spectroscopic characteristics. To identify these products, the relative energies and the 13C and 15N...

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Chapyshev SV, Ushakov EN. Tandem deprotonation/azide-tetrazole tautomerization of 4,6-diazido-N-nitro-1,3,5-triazin-2-amine in dimethylsulfoxide solutions: a theoretical study. Phys Chem Chem Phys. 2015;17(26):17296-300doi: 10.1039/c5cp02096d.
Chapyshev, S. V., & Ushakov, E. N. (2015). Tandem deprotonation/azide-tetrazole tautomerization of 4,6-diazido-N-nitro-1,3,5-triazin-2-amine in dimethylsulfoxide solutions: a theoretical study. Physical chemistry chemical physics : PCCP, 17(26), 17296-300. https://doi.org/10.1039/c5cp02096d
Chapyshev, S V, and Ushakov, E N. "Tandem deprotonation/azide-tetrazole tautomerization of 4,6-diazido-N-nitro-1,3,5-triazin-2-amine in dimethylsulfoxide solutions: a theoretical study." Physical chemistry chemical physics : PCCP vol. 17,26 (2015): 17296-300. doi: https://doi.org/10.1039/c5cp02096d
Chapyshev SV, Ushakov EN. Tandem deprotonation/azide-tetrazole tautomerization of 4,6-diazido-N-nitro-1,3,5-triazin-2-amine in dimethylsulfoxide solutions: a theoretical study. Phys Chem Chem Phys. 2015 Jul 14;17(26):17296-300. doi: 10.1039/c5cp02096d. PMID: 26073044.
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Dendritic Guanidines as Efficient Analogues of Cell Penetrating Peptides.

Pharmaceuticals (Basel, Switzerland)

Bonduelle CV, Gillies ER.
PMID: 27713272
Pharmaceuticals (Basel). 2010 Mar 12;3(3):636-666. doi: 10.3390/ph3030636.

The widespread application of cell penetrating agents to clinical therapeutics and imaging agents relies on the ability to prepare them on a large scale and to readily conjugate them to their cargos. Dendritic analogues of cell penetrating peptides, with...

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Bonduelle CV, Gillies ER. Dendritic Guanidines as Efficient Analogues of Cell Penetrating Peptides. Pharmaceuticals (Basel). 2010;3(3):636-666doi: 10.3390/ph3030636.
Bonduelle, C. V., & Gillies, E. R. (2010). Dendritic Guanidines as Efficient Analogues of Cell Penetrating Peptides. Pharmaceuticals (Basel, Switzerland), 3(3), 636-666. https://doi.org/10.3390/ph3030636
Bonduelle, Colin V, and Gillies, Elizabeth R. "Dendritic Guanidines as Efficient Analogues of Cell Penetrating Peptides." Pharmaceuticals (Basel, Switzerland) vol. 3,3 (2010): 636-666. doi: https://doi.org/10.3390/ph3030636
Bonduelle CV, Gillies ER. Dendritic Guanidines as Efficient Analogues of Cell Penetrating Peptides. Pharmaceuticals (Basel). 2010 Mar 12;3(3):636-666. doi: 10.3390/ph3030636. PMID: 27713272; PMCID: PMC4033973.
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Molecular design of flotation collectors: A recent progress.

Advances in colloid and interface science

Liu G, Yang X, Zhong H.
PMID: 28532662
Adv Colloid Interface Sci. 2017 Aug;246:181-195. doi: 10.1016/j.cis.2017.05.008. Epub 2017 May 10.

The nature of froth flotation is to selectively hydrophobize valuable minerals by collector adsorption so that the hydrophobized mineral particles can attach air bubbles. In recent years, the increasing commercial production of refractory complex ores has been urgent to...

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Liu G, Yang X, Zhong H. Molecular design of flotation collectors: A recent progress. Adv Colloid Interface Sci. 2017;246:181-195doi: 10.1016/j.cis.2017.05.008.
Liu, G., Yang, X., & Zhong, H. (2017). Molecular design of flotation collectors: A recent progress. Advances in colloid and interface science, 246181-195. https://doi.org/10.1016/j.cis.2017.05.008
Liu, Guangyi, et al. "Molecular design of flotation collectors: A recent progress." Advances in colloid and interface science vol. 246 (2017): 181-195. doi: https://doi.org/10.1016/j.cis.2017.05.008
Liu G, Yang X, Zhong H. Molecular design of flotation collectors: A recent progress. Adv Colloid Interface Sci. 2017 Aug;246:181-195. doi: 10.1016/j.cis.2017.05.008. Epub 2017 May 10. PMID: 28532662.
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Aqueous Sulfate Separation by Crystallization of Sulfate-Water Clusters.

Angewandte Chemie (International ed. in English)

Custelcean R, Williams NJ, Seipp CA.
PMID: 26252802
Angew Chem Int Ed Engl. 2015 Sep 01;54(36):10525-9. doi: 10.1002/anie.201506314. Epub 2015 Aug 07.

An effective approach to sulfate separation from aqueous solutions is based on the crystallization of extended [SO4(H2O)5(2-)]n sulfate-water clusters with a bis(guanidinium) ligand. The ligand was generated in situ by hydrazone condensation in water, thereby bypassing the need for...

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Custelcean R, Williams NJ, Seipp CA. Aqueous Sulfate Separation by Crystallization of Sulfate-Water Clusters. Angew Chem Int Ed Engl. 2015;54(36):10525-9doi: 10.1002/anie.201506314.
Custelcean, R., Williams, N. J., & Seipp, C. A. (2015). Aqueous Sulfate Separation by Crystallization of Sulfate-Water Clusters. Angewandte Chemie (International ed. in English), 54(36), 10525-9. https://doi.org/10.1002/anie.201506314
Custelcean, Radu, et al. "Aqueous Sulfate Separation by Crystallization of Sulfate-Water Clusters." Angewandte Chemie (International ed. in English) vol. 54,36 (2015): 10525-9. doi: https://doi.org/10.1002/anie.201506314
Custelcean R, Williams NJ, Seipp CA. Aqueous Sulfate Separation by Crystallization of Sulfate-Water Clusters. Angew Chem Int Ed Engl. 2015 Sep 01;54(36):10525-9. doi: 10.1002/anie.201506314. Epub 2015 Aug 07. PMID: 26252802.
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N-functionalized benzotriazole-1-carboximidoyl chlorides: synthetic equivalents for isocyanide dichlorides.

The Journal of organic chemistry

Katritzky AR, Rogovoy B, Klein C, Insuasty H, Vvedensky V, Insuasty B.
PMID: 11304212
J Org Chem. 2001 Apr 20;66(8):2854-7. doi: 10.1021/jo001685o.

Readily prepared N-functionalized benzotriazole-1-carboximidoyl chlorides are proposed as stable and novel isocyanide dichloride synthetic equivalents. Subsequent condensations of these new intermediates afford polysubstituted guanidines, S-aryl isothioureas, and 2-aminoquinazolin-4-thiones.

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Katritzky AR, Rogovoy B, Klein C, et al. N-functionalized benzotriazole-1-carboximidoyl chlorides: synthetic equivalents for isocyanide dichlorides. J Org Chem. 2001;66(8):2854-7doi: 10.1021/jo001685o.
Katritzky, A. R., Rogovoy, B., Klein, C., Insuasty, H., Vvedensky, V., & Insuasty, B. (2001). N-functionalized benzotriazole-1-carboximidoyl chlorides: synthetic equivalents for isocyanide dichlorides. The Journal of organic chemistry, 66(8), 2854-7. https://doi.org/10.1021/jo001685o
Katritzky, A R, et al. "N-functionalized benzotriazole-1-carboximidoyl chlorides: synthetic equivalents for isocyanide dichlorides." The Journal of organic chemistry vol. 66,8 (2001): 2854-7. doi: https://doi.org/10.1021/jo001685o
Katritzky AR, Rogovoy B, Klein C, Insuasty H, Vvedensky V, Insuasty B. N-functionalized benzotriazole-1-carboximidoyl chlorides: synthetic equivalents for isocyanide dichlorides. J Org Chem. 2001 Apr 20;66(8):2854-7. doi: 10.1021/jo001685o. PMID: 11304212.
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BTS-67582 (Knoll Pharmaceuticals Co).

IDrugs : the investigational drugs journal

Emilien G.
PMID: 16158354
IDrugs. 1999 Apr;2(4):355-9.

BTS-67582, a morpholinoguanidine, is a potassium channel blocker in phase II trials by Knoll in the US, the UK and France for the treatment of diabetes. Knoll acquired the drug as part of the 1995 purchase of the pharmaceutical...

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Emilien G. BTS-67582 (Knoll Pharmaceuticals Co). IDrugs. 1999;2(4):355-9
Emilien, G. (1999). BTS-67582 (Knoll Pharmaceuticals Co). IDrugs : the investigational drugs journal, 2(4), 355-9.
Emilien, G. "BTS-67582 (Knoll Pharmaceuticals Co)." IDrugs : the investigational drugs journal vol. 2,4 (1999): 355-9.
Emilien G. BTS-67582 (Knoll Pharmaceuticals Co). IDrugs. 1999 Apr;2(4):355-9. PMID: 16158354.
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The Determination of Guanidines in Urine as Picrates.

The Biochemical journal

Sharpe JS.
PMID: 16743481
Biochem J. 1925;19(2):168-170.1. doi: 10.1042/bj0190168.

No abstract available.

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Sharpe JS. The Determination of Guanidines in Urine as Picrates. Biochem J. 1925;19(2):168-170.1doi: 10.1042/bj0190168.
Sharpe, J. S. (1925). The Determination of Guanidines in Urine as Picrates. The Biochemical journal, 19(2), 168-170.1. https://doi.org/10.1042/bj0190168
Sharpe, J S. "The Determination of Guanidines in Urine as Picrates." The Biochemical journal vol. 19,2 (1925): 168-170.1. doi: https://doi.org/10.1042/bj0190168
Sharpe JS. The Determination of Guanidines in Urine as Picrates. Biochem J. 1925;19(2):168-170.1. doi: 10.1042/bj0190168. PMID: 16743481; PMCID: PMC1259154.
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Bicyclic-guanidines, -guanidinates and -guanidinium salts: wide ranging applications from a simple family of molecules.

Chemical communications (Cambridge, England)

Coles MP.
PMID: 19557249
Chem Commun (Camb). 2009 Jul 07;(25):3659-76. doi: 10.1039/b901940e. Epub 2009 May 27.

Bicyclic guanidines have physical, electronic and chemical properties that differentiate them from their acyclic counterparts, with many of these characteristics directly imposed by the rigid framework. These distinctive features have led to this class of molecule finding practical applications...

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Coles MP. Bicyclic-guanidines, -guanidinates and -guanidinium salts: wide ranging applications from a simple family of molecules. Chem Commun (Camb). 2009;(25):3659-76doi: 10.1039/b901940e.
Coles, M. P. (2009). Bicyclic-guanidines, -guanidinates and -guanidinium salts: wide ranging applications from a simple family of molecules. Chemical communications (Cambridge, England), (25), 3659-76. https://doi.org/10.1039/b901940e
Coles, Martyn P. "Bicyclic-guanidines, -guanidinates and -guanidinium salts: wide ranging applications from a simple family of molecules." Chemical communications (Cambridge, England) vol. ,25 (2009): 3659-76. doi: https://doi.org/10.1039/b901940e
Coles MP. Bicyclic-guanidines, -guanidinates and -guanidinium salts: wide ranging applications from a simple family of molecules. Chem Commun (Camb). 2009 Jul 07;(25):3659-76. doi: 10.1039/b901940e. Epub 2009 May 27. PMID: 19557249.
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Ytterbium triflate: a highly active catalyst for addition of amines to carbodiimides to N,N',N''-trisubstituted guanidines.

The Journal of organic chemistry

Zhu X, Du Z, Xu F, Shen Q.
PMID: 19621891
J Org Chem. 2009 Aug 21;74(16):6347-9. doi: 10.1021/jo900903t.

Ytterbium triflate was found to be efficient catalyst for addition of amines to carbodiimides to N,N',N''-trisubstituted guanidines with a wide scope of amines under solvent-free condition.

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Zhu X, Du Z, Xu F, et al. Ytterbium triflate: a highly active catalyst for addition of amines to carbodiimides to N,N',N''-trisubstituted guanidines. J Org Chem. 2009;74(16):6347-9doi: 10.1021/jo900903t.
Zhu, X., Du, Z., Xu, F., & Shen, Q. (2009). Ytterbium triflate: a highly active catalyst for addition of amines to carbodiimides to N,N',N''-trisubstituted guanidines. The Journal of organic chemistry, 74(16), 6347-9. https://doi.org/10.1021/jo900903t
Zhu, Xuehua, et al. "Ytterbium triflate: a highly active catalyst for addition of amines to carbodiimides to N,N',N''-trisubstituted guanidines." The Journal of organic chemistry vol. 74,16 (2009): 6347-9. doi: https://doi.org/10.1021/jo900903t
Zhu X, Du Z, Xu F, Shen Q. Ytterbium triflate: a highly active catalyst for addition of amines to carbodiimides to N,N',N''-trisubstituted guanidines. J Org Chem. 2009 Aug 21;74(16):6347-9. doi: 10.1021/jo900903t. PMID: 19621891.
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A structural, theoretical and coordinative evaluation of the bicyclic guanidinate derived from 1,4,6-triazabicyclo[3.3.0]oct-4-ene.

Dalton transactions (Cambridge, England : 2003)

Khalaf MS, Coles MP, Hitchcock PB.
PMID: 18682868
Dalton Trans. 2008 Aug 28;(32):4288-95. doi: 10.1039/b806510a. Epub 2008 Jun 17.

Partial deprotonation of the bicyclic guanidine 1,4,6-triazabicyclo[3.3.0]oct-4-ene (Htbo) is achieved using (n)BuLi. Isolation of the resulting lithium salts has resulted in the structural characterization of the mixed anion complex {[Li(tbo)(VIII)(tboH)](2)}(infinity) (where -H = 1-(2-aminoethyl)-2-imidazolidinethione) and the partially deprotonated salt...

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Khalaf MS, Coles MP, Hitchcock PB. A structural, theoretical and coordinative evaluation of the bicyclic guanidinate derived from 1,4,6-triazabicyclo[3.3.0]oct-4-ene. Dalton Trans. 2008;(32):4288-95doi: 10.1039/b806510a.
Khalaf, M. S., Coles, M. P., & Hitchcock, P. B. (2008). A structural, theoretical and coordinative evaluation of the bicyclic guanidinate derived from 1,4,6-triazabicyclo[3.3.0]oct-4-ene. Dalton transactions (Cambridge, England : 2003), (32), 4288-95. https://doi.org/10.1039/b806510a
Khalaf, Majid S, et al. "A structural, theoretical and coordinative evaluation of the bicyclic guanidinate derived from 1,4,6-triazabicyclo[3.3.0]oct-4-ene." Dalton transactions (Cambridge, England : 2003) vol. ,32 (2008): 4288-95. doi: https://doi.org/10.1039/b806510a
Khalaf MS, Coles MP, Hitchcock PB. A structural, theoretical and coordinative evaluation of the bicyclic guanidinate derived from 1,4,6-triazabicyclo[3.3.0]oct-4-ene. Dalton Trans. 2008 Aug 28;(32):4288-95. doi: 10.1039/b806510a. Epub 2008 Jun 17. PMID: 18682868.
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Showing 1 to 12 of 146 entries