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Journal articles on the topic 'Proline – Analogues'

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Published: 4 June 2021

Last updated: 13 February 2022

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1

Mauger, Anthony B. "Naturally Occurring Proline Analogues." Journal of Natural Products 59, no. 12 (1996): 1205–11. http://dx.doi.org/10.1021/np9603479.

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2

Tolmachova, Nataliya A., Ivan S. Kondratov, Violetta G. Dolovanyuk та ін. "Synthesis of new fluorinated proline analogues from polyfluoroalkyl β-ketoacetals and ethyl isocyanoacetate". Chemical Communications 54, № 69 (2018): 9683–86. http://dx.doi.org/10.1039/c8cc05912h.

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3

Díez, David, Ana B. Antón, Javier Peña, et al. "New proline analogues for organocatalysis." Tetrahedron: Asymmetry 21, no. 7 (2010): 786–93. http://dx.doi.org/10.1016/j.tetasy.2010.05.005.

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4

Tritsch, Denis, Hiba Mawlawi, and Jean-François Biellmann. "Mechanism-based inhibition of proline dehydrogenase by proline analogues." Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology 1202, no. 1 (1993): 77–81. http://dx.doi.org/10.1016/0167-4838(93)90065-y.

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5

Randall, K., M. Lever, B. A. Peddie, and S. T. Chambers. "Accumulation of natural and synthetic betaines by a mammalian renal cell line." Biochemistry and Cell Biology 74, no. 2 (1996): 283–87. http://dx.doi.org/10.1139/o96-030.

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Intracellular accumulation of different betaines was compared in osmotically stressed Madin Darby canine kidney (MDCK) cells to model the betaine accumulation specificity of the mammalian inner medulla and to show how this accumulation differed from that of bacteria. All betaines accumulated less than glycine betaine. Arsenobetaine (the arsenic analogue of glycine betaine) accumulated to 12% of the glycine betaine levels and the sulphur analogue dimethylthetin accumulated to >80%. Most substituted glycine betaine analogues accumulated to 2–5% of intracellular glycine betaine concentrations,

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6

Calaza, M. Isabel, and Carlos Cativiela. "Stereoselective Synthesis of Quaternary Proline Analogues." European Journal of Organic Chemistry 2008, no. 20 (2008): 3427–48. http://dx.doi.org/10.1002/ejoc.200800225.

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7

Galardy, R. E., and Z. P. Kortylewicz. "Inhibitors of angiotensin-converting enzyme containing a tetrahedral arsenic atom." Biochemical Journal 226, no. 2 (1985): 447–54. http://dx.doi.org/10.1042/bj2260447.

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A series of tetrahedral oxo acids of Group VA and VIA elements and of silicon and boron were examined as inhibitors of angiotensin-converting enzyme. Arsenate is a competitive inhibitor with a Ki of 27 +/- 1 mM, at least 10-fold more potent than phosphate. Dimethylarsinate is a competitive inhibitor with a Ki of 70 +/- 9 mM, 2-fold more potent than dimethylphosphinate. Oxo acids of boron, silicon, antimony, sulphur and selenium are not inhibitors. On the basis of these results and the strong inhibition of this zinc metallopeptidase by substrate analogues containing a tetrahedral phosphorus ato

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8

Calaza, M. Isabel, Francisco J. Sayago, Pedro Laborda, and Carlos Cativiela. "Synthesis of [c]-Fused Bicyclic Proline Analogues." European Journal of Organic Chemistry 2015, no. 8 (2015): 1633–58. http://dx.doi.org/10.1002/ejoc.201403121.

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9

Diez, David, Ana B. Anton, Javier Pena, et al. "ChemInform Abstract: New Proline Analogues for Organocatalysis." ChemInform 41, no. 47 (2010): no. http://dx.doi.org/10.1002/chin.201047026.

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10

Flores-Ortega, Alejandra, Ana I. Jiménez, Carlos Cativiela, Ruth Nussinov, Carlos Alemán та Jordi Casanovas. "Conformational Preferences of α-Substituted Proline Analogues". Journal of Organic Chemistry 73, № 9 (2008): 3418–27. http://dx.doi.org/10.1021/jo702710x.

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11

Žula, Aleš, Izabela Będziak, Danijel Kikelj, and Janez Ilaš. "Synthesis and Evaluation of Spumigin Analogues Library with Thrombin Inhibitory Activity." Marine Drugs 16, no. 11 (2018): 413. http://dx.doi.org/10.3390/md16110413.

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Spumigins are marine natural products derived from cyanobacteria Nodularia spumigena, which mimics the structure of the d-Phe-Pro-Arg sequence and is crucial for binding to the active site of serine proteases thrombin and factor Xa. Biological evaluation of spumigins showed that spumigins with a (2S,4S)-4-methylproline central core represent potential lead compounds for the development of a new structural type of direct thrombin inhibitors. Herein, we represent synthesis and thrombin inhibitory activity of a focused library of spumigins analogues with indoline ring or l-proline as a central co

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12

Loosli, Simon, Carlotta Foletti, Marcus Papmeyer, and Helma Wennemers. "Synthesis of 4-(Arylmethyl)proline Derivatives." Synlett 30, no. 04 (2019): 508–10. http://dx.doi.org/10.1055/s-0037-1611672.

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A synthesis of 4-(arylmethyl)proline by using Suzuki cross-couplings was developed. The route permits access to a variety of 4-substituted proline derivatives bearing various aryl moieties that expand the toolbox of proline analogues for studies in chemistry and biology.

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13

Vanlerberghe, Gregory C., and Lewis M. Brown. "Inhibition Of Cell Division By Proline Analogues: Reversal by Proline and High Salinity." Journal of Plant Physiology 123, no. 3 (1986): 229–39. http://dx.doi.org/10.1016/s0176-1617(86)80073-6.

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14

Bach, Thi Mai Hoa, and Hiroshi Takagi. "Properties, metabolisms, and applications of l-proline analogues." Applied Microbiology and Biotechnology 97, no. 15 (2013): 6623–34. http://dx.doi.org/10.1007/s00253-013-5022-7.

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15

Naidu, Bodapati P., Leslie G. Paleg, and Graham P. Jones. "Accumulation of proline analogues and adaptation of Melaleuca species to diverse environments in Australia." Australian Journal of Botany 48, no. 5 (2000): 611. http://dx.doi.org/10.1071/bt99059.

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The genus Melaleuca is native to Australia, with about 250 species spread from favourable to very stressful ecological habitats. We analysed the leaves of 125 Melaleuca species for the accumulation of proline analogues to explore relationships between the ability of the species to accumulate proline analogues and their ability to adapt to various stressful habitats in Australia. Melaleuca species that have evolved the ability to accumulate only L-proline seem to be adapted to non-saline or non-sodic soils in regions of higher rainfall. Species that accumulate N-methyl-L-proline seem to be adap

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16

Qian, Renzhe, Thomas Kalina, Jeannie Horak, Samuele Giberti, Giuseppe Forlani та Friedrich Hammerschmidt. "Preparation of Phosphonic Acid Analogues of Proline and Proline Analogues and Their Biological Evaluation as δ1-Pyrroline-5-carboxylate Reductase Inhibitors". ACS Omega 3, № 4 (2018): 4441–52. http://dx.doi.org/10.1021/acsomega.8b00354.

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17

McPhee, Meredith E., Andrew G. Katsifis, Filomena Mattner, and Damon D. Ridley. "Synthesis of 123I-Labelled Analogues of Imidazobenzodiazepine Receptor Ligands." Australian Journal of Chemistry 52, no. 11 (1999): 1061. http://dx.doi.org/10.1071/ch99135.

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Reaction of bromo- or iodo-substituted isatoic anhydrides with N-methylglycine, L-proline or D-proline afforded bromo- or iodo-substituted 1,4-benzodiazepinediones which on condensation with ethyl or t-butyl isocyanoacetates gave ethyl or t-butyl bromo- or iodo-imidazobenzodiazepine carboxylates. These aryl halides were converted into the corresponding tributylstannanes with bis(tributyltin) in the presence of (triphenylphosphine)palladium(0), and the stannanes were treated with sodium (123I)iodide in the presence of chloramine-Tto give the required 123I- labelled analogues of the imidazobenzo

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18

Oliver, Martin, Charlène Gadais, Júlia García-Pindado, et al. "Trifluoromethylated proline analogues as efficient tools to enhance the hydrophobicity and to promote passive diffusion transport of the l-prolyl-l-leucyl glycinamide (PLG) tripeptide." RSC Advances 8, no. 26 (2018): 14597–602. http://dx.doi.org/10.1039/c8ra02511h.

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19

Flores-Ortega, Alejandra, Jordi Casanovas, Ruth Nussinov та Carlos Alemán. "Conformational Preferences of β- and γ-Aminated Proline Analogues". Journal of Physical Chemistry B 112, № 44 (2008): 14045–55. http://dx.doi.org/10.1021/jp807638p.

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20

Calaza, M. Isabel, Francisco J. Sayago, Pedro Laborda, and Carlos Cativiela. "ChemInform Abstract: Synthesis of [c]-Fused Bicyclic Proline Analogues." ChemInform 46, no. 19 (2015): no. http://dx.doi.org/10.1002/chin.201519301.

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21

Hanessian, Stephen, Gianluca Papeo, Kamal Fettis, Eric Therrien, and Minh Tan Phan Viet. "Synthesis of 310-Helix-Inducing Constrained Analogues ofl-Proline." Journal of Organic Chemistry 69, no. 15 (2004): 4891–99. http://dx.doi.org/10.1021/jo0401422.

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22

Jhon, Jong Suk, and Young Kee Kang. "Conformational Preferences of Proline Analogues with Different Ring Size." Journal of Physical Chemistry B 111, no. 13 (2007): 3496–507. http://dx.doi.org/10.1021/jp066835z.

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23

Rodríguez, Isabel, M. Isabel Calaza, Ana I. Jiménez та Carlos Cativiela. "Synthesis of enantiomerically pure δ-benzylproline derivatives". New Journal of Chemistry 39, № 5 (2015): 3310–18. http://dx.doi.org/10.1039/c4nj01894j.

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24

Kumar, H. Vijay, C. R. Gnanendra, and Nagaraja Naik. "Synthesis of Amino Acid Analogues of 5H-Dibenz[b,f]azepine and Evaluation of their Radical Scavenging Activity." E-Journal of Chemistry 6, no. 1 (2009): 125–32. http://dx.doi.org/10.1155/2009/361490.

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A method for the synthesis of tyrosine, phenyl alanine, hydroxy proline and threonine free amino acid analogues of 5H-dibenz[b,f]azepine is proposed. 5H-dibenz[b,f]azepine was prepared by known method. The key intermediate 3-chloro-1-(5H-dibenz[b,f]azepine-5-yl)propan-1-one was obtained byN-acylation of 5H-dibenz[b,f]azepine with 3-chloro propionyl chloride. Further coupling of respective free amino acid to produce 2-(3-(5H-dibenz[b,f]azepine-5-yl)-3-oxopropylamino)3-(4 hydroxyphenyl) propanoic acid, 2-(3-(5H-dibenz[b,f]azepine-5-yl)-3-oxopropylamino)-3-phenyl propanoicacid,1-(3-(5H-dibenz[b,f

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25

Kubyshkin, Vladimir, and Nediljko Budisa. "Amide rotation trajectories probed by symmetry." Organic & Biomolecular Chemistry 15, no. 32 (2017): 6764–72. http://dx.doi.org/10.1039/c7ob01421j.

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26

Naidu, BP, GP Jones, LG Paleg, and A. Poljakoff-Mayber. "Proline Analogues in Melaleuca Species: Response of Melaleuca lanceolata and M. uncinata to Water Stress and Salinity." Functional Plant Biology 14, no. 6 (1987): 669. http://dx.doi.org/10.1071/pp9870669.

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Fifteen species of Melaleuca and two species of Callistemon from the field were examined to determine whether they accumulated nitrogen-containing compatible solutes and, if so, which. In addition to L-proline, N-methyl-L-proline (MP) (isolated for the first time from plants), trans-4-hydroxy-N-methyl- L-proline (MHP), and N, N'-dimethyl-trans-4-hydroxy-L-proline (DHP) were found in various combinations in the 15 Melaleuca species. M. lanceolata seedlings were subjected to water or salinity stress and M. uncinata to water stress under laboratory conditions. In both species significant reductio

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27

Jedhe, Ganesh S., Amol S. Kotmale, Pattuparambil R. Rajamohanan, Santosh Pasha та Gangadhar J. Sanjayan. "Angiotensin II analogs comprised of Pro-Amb (γ-turn scaffold) as angiotensin II type 2 (AT2) receptor agonists". Chemical Communications 52, № 8 (2016): 1645–48. http://dx.doi.org/10.1039/c5cc09687a.

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28

SUFRIN, JANICE R., TRICHEY M. BALASUBRAMANIAN, CHANDRANAN M. VORA, and GARLAND R. MARSHALL. "Synthetic approaches to peptide analogues containing 4, 4-difluoro-L-proline and 4-keto-L-proline." International Journal of Peptide and Protein Research 20, no. 5 (2009): 438–42. http://dx.doi.org/10.1111/j.1399-3011.1982.tb03065.x.

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29

Das, Sukant K., Nilay Bhatt, Mohammad Mujahid та ін. "Towards a stereoselective synthesis of α,α-disubstituted proline analogues". Tetrahedron Letters 56, № 37 (2015): 5172–74. http://dx.doi.org/10.1016/j.tetlet.2015.07.065.

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30

Pellegrini, Nadia, Martine Schmitt, Sébastien Guery, and Jean-Jacques Bourguignon. "New strategies towards proline derivatives as conformationally constrained arginine analogues." Tetrahedron Letters 43, no. 17 (2002): 3243–46. http://dx.doi.org/10.1016/s0040-4039(02)00424-0.

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31

Flores-Ortega, Alejandra, Jordi Casanovas, David Zanuy, Ruth Nussinov, and Carlos Alemán. "Conformations of Proline Analogues Having Double Bonds in the Ring." Journal of Physical Chemistry B 111, no. 19 (2007): 5475–82. http://dx.doi.org/10.1021/jp0712001.

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32

Warren, Javier G., Guillem Revilla-López, Carlos Alemán, Ana I. Jiménez, Carlos Cativiela, and Juan Torras. "Conformational Preferences of Proline Analogues with a Fused Benzene Ring." Journal of Physical Chemistry B 114, no. 36 (2010): 11761–70. http://dx.doi.org/10.1021/jp105456r.

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33

Pepe, Antonietta, Maria Antonietta Crudele, and Brigida Bochicchio. "Effect of proline analogues on the conformation of elastin peptides." New Journal of Chemistry 37, no. 5 (2013): 1326. http://dx.doi.org/10.1039/c3nj41001c.

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34

Lemoff, Andrew S., Matthew F. Bush, and Evan R. Williams. "Structures of Cationized Proline Analogues: Evidence for the Zwitterionic Form." Journal of Physical Chemistry A 109, no. 9 (2005): 1903–10. http://dx.doi.org/10.1021/jp0466800.

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35

Harty, Matthew, Mitesh Nagar, Logan Atkinson, Christina M. LeGay, Darren J. Derksen, and Stephen L. Bearne. "Inhibition of serine and proline racemases by substrate-product analogues." Bioorganic & Medicinal Chemistry Letters 24, no. 1 (2014): 390–93. http://dx.doi.org/10.1016/j.bmcl.2013.10.061.

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36

LAWRENCE, Christopher C., Wendy J. SOBEY, Robert A. FIELD, Jack E. BALDWIN, and Christopher J. SCHOFIELD. "Purification and initial characterization of proline 4-hydroxylase from Streptomyces griseoviridus P8648: a 2-oxoacid, ferrous-dependent dioxygenase involved in etamycin biosynthesis." Biochemical Journal 313, no. 1 (1996): 185–91. http://dx.doi.org/10.1042/bj3130185.

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Proline 4-hydroxylase is a 2-oxoacid, ferrous-ion-dependent dioxygenase involved in the biosynthesis of the secondary metabolite etamycin. The purification, in low yield, of proline 4-hydroxylase from Streptomyces griseoviridus P8648 to near apparent homogeneity and its initial characterization are reported. In most respects proline 4-hydroxylase is a typical member of the 2-oxoacid-dependent dioxygenase family. It is monomeric (Mr approx. 38000) (by gel filtration on Superdex-G75) and has typically strict requirements for ferrous ion and 2-oxoglutarate. The enzyme was inhibited by aromatic an

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37

Bergseng, Elin, Jiang Xia, Chu-Young Kim, Chaitan Khosla, and Ludvig M. Sollid. "Main Chain Hydrogen Bond Interactions in the Binding of Proline-rich Gluten Peptides to the Celiac Disease-associated HLA-DQ2 Molecule." Journal of Biological Chemistry 280, no. 23 (2005): 21791–96. http://dx.doi.org/10.1074/jbc.m501558200.

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Binding of peptide epitopes to major histocompatibility complex proteins involves multiple hydrogen bond interactions between the peptide main chain and major histocompatibility complex residues. The crystal structure of HLA-DQ2 complexed with the αI-gliadin epitope (LQPFPQPELPY) revealed four hydrogen bonds between DQ2 and peptide main chain amides. This is remarkable, given that four of the nine core residues in this peptide are proline residues that cannot engage in amide hydrogen bonding. Preserving main chain hydrogen bond interactions despite the presence of multiple proline residues in

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38

Milazzo, Michael C., Gregory Kellett, Kendall Haynesworth, and Kalidas Shetty. "Regulation of Benzyladenine-Induced in Vitro Shoot Organogenesis and Endogenous Proline in Melon (Cucumis meloL.) by Exogenous Proline, Ornithine, and Proline Analogues." Journal of Agricultural and Food Chemistry 46, no. 6 (1998): 2402–6. http://dx.doi.org/10.1021/jf9710948.

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39

Kubyshkin, Vladimir. "Polarity effects in 4-fluoro- and 4-(trifluoromethyl)prolines." Beilstein Journal of Organic Chemistry 16 (July 23, 2020): 1837–52. http://dx.doi.org/10.3762/bjoc.16.151.

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Fluorine-containing analogues of proline are valuable tools in engineering and NMR spectroscopic studies of peptides and proteins. Their use relies on the fundamental understanding of the interplay between the substituents and the main chain groups of the amino acid residue. This study aims to showcase the polarity-related effects that arise from the interaction between the functional groups in molecular models. Properties such as conformation, acid–base transition, and amide-bond isomerism were examined for diastereomeric 4-fluoroprolines, 4-(trifluoromethyl)prolines, and 1,1-difluoro-5-azasp

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40

Naidu, B. P. "Production of betaine from Australian Melaleuca spp. for use in agriculture to reduce plant stress." Australian Journal of Experimental Agriculture 43, no. 9 (2003): 1163. http://dx.doi.org/10.1071/ea02223.

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Some of the Melaleuca spp., native to Australia, are unique in their ability to withstand environmental stresses. The stress tolerance of these species is attributable to their ability to accumulate large quantities of organic compounds known as osmoprotectants or proline (betaine) analogues. Osmoprotectants can be extracted easily from these plants and used in seed treatment and foliar application to increase the stress tolerance of economic crops. This paper examines the potential of 8 Melaleuca spp. for the production of osmoprotectants. Melaleuca bracteata, which accumulates the proline an

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41

Freudenrich, Craig C., та William V. Dashek. "Hydroxyproline and proline inhibit α-amylase from isolated barley aleurone layers". Acta Societatis Botanicorum Poloniae 52, № 3-4 (2014): 253–63. http://dx.doi.org/10.5586/asbp.1983.028.

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Previously, we reported that 1 mM hydroxyproline appeared to inhibit the gibberellic acid-induced release of α-amylase from isolated <em>Hordeum vulgare</em> L. cv. Himalaya aleurone layers into an incubation medium. Here, we report our attempts to determine the mechanism(s) for this inhibition and whether this inhibition can be caused by other proline analogues. Both 1 mM hydroxyproline and proline inhibited extracellular a-amylase activity without affecting its intracellular activity. This suggested that neither hydroxyproline nor proline impaired the release of a-amylase. Linewe

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42

Summitt, Candice B., Lynnette C. Johnson, Thomas J. Jönsson, Derek Parsonage, Ross P. Holmes, and W. Todd Lowther. "Proline dehydrogenase 2 (PRODH2) is a hydroxyproline dehydrogenase (HYPDH) and molecular target for treating primary hyperoxaluria." Biochemical Journal 466, no. 2 (2015): 273–81. http://dx.doi.org/10.1042/bj20141159.

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Proline dehydrogenase 2 is a promising target for treating primary hyperoxaluria. Biochemical and spectral analyses have determined the catalytic core of the enzyme, demonstrated that the preferred substrate is hydroxyproline, and that ubiquinone analogues are the preferred electron acceptor.

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43

Henkel, Bernd, Wolfgang Stenzel, and Theo Schotten. "Stereo-random synthesis of highly functionalized proline analogues by azomethine cycloaddition." Bioorganic & Medicinal Chemistry Letters 10, no. 9 (2000): 975–77. http://dx.doi.org/10.1016/s0960-894x(00)00143-8.

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44

Zhang, Junyi, Wei Wang, Chiyi Xiong, and Victor J. Hruby. "Efficient and stereoselective synthesis of novel cis-4-substituted proline analogues." Tetrahedron Letters 44, no. 7 (2003): 1413–15. http://dx.doi.org/10.1016/s0040-4039(02)02865-4.

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45

Cardillo, Giuliana, Luca Gentilucci, Alessandra Tolomelli, Maria Calienni, Ahmed R. Qasem та Santi Spampinato. "Stability against enzymatic hydrolysis of endomorphin-1 analogues containing β-proline". Organic & Biomolecular Chemistry 1, № 9 (2003): 1498–502. http://dx.doi.org/10.1039/b301507f.

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46

Teklebrhan, Robel B., Neil W. Owens, James D. Xidos, Georg Schreckenbach, Stacey D. Wetmore, and Frank Schweizer. "Conformational Preference of Fused Carbohydrate-Templated Proline Analogues—A Computational Study." Journal of Physical Chemistry B 117, no. 1 (2012): 199–205. http://dx.doi.org/10.1021/jp310690c.

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47

Kim, Mira, Jiyoung Jeon, Jiyeon Song, et al. "Synthesis of proline analogues as potent and selective cathepsin S inhibitors." Bioorganic & Medicinal Chemistry Letters 23, no. 11 (2013): 3140–44. http://dx.doi.org/10.1016/j.bmcl.2013.04.023.

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48

Shomer-Ilan, a., GP Jones, and LG Paleg. "In vitro Thermal and Salt Stability of Pyruvate Kinase Are Increased by Proline Analogues and Trigonelline." Functional Plant Biology 18, no. 3 (1991): 279. http://dx.doi.org/10.1071/pp9910279.

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The nitrogenous compounds N-methyl-L-proline (MP), trans-4-hydroxy-N-methyl-L-proline (MHP) and trigonelline (T), which undergo stress-induced accumulation in some Australian plants, were analysed and compared with proline (P) and glycinebetaine (B) for possible protective roles. The activity of pyruvate kinase (PK), prepared from Zea mays leaves and rabbit muscle, was unaffected even in the presence of 750 mM of the proline analogues. Thus, MP and MHP, like P and B, have the properties to act in vivo as compatible osmotica. T was not as compatible, decreasing enzyme activity 20% at 0.5 M. Lik

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49

L'Hostis, C., M. Geindre, and J. Deshusses. "Active transport of l-proline in the protozoan parasite Trypanosoma brucei brucei." Biochemical Journal 291, no. 1 (1993): 297–301. http://dx.doi.org/10.1042/bj2910297.

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The characteristics of L-proline transport in the procyclic form of Trypanosoma brucei were studied by using L-[14C]proline and a quick separation technique by centrifugation through an oil mixture. L-Proline uptake displayed typical Michaelis-Menten kinetics, with a Km of 19 microM and a maximum transport velocity of 17 nmol/min per 10(8) cells at 27 degrees C. The maximum concentration gradient factor obtained after 1 min of incubation was 270-fold in 0.02 mM proline. Cells permeabilized with 80 microM digitonin were still able to accumulate 14C label, but to a lower extent. The temperature-

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50

Pavlenko, Natalia V., Tatiana I. Oos, Yurii L. Yagupolskii, Igor I. Gerus, Uwe Doeller та Lothar Willms. "A novel family of (1-aminoalkyl)(trifluoromethyl)- and -(difluoromethyl)phosphinic acids – analogues of α-amino acids". Beilstein Journal of Organic Chemistry 10 (26 березня 2014): 722–31. http://dx.doi.org/10.3762/bjoc.10.66.

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A series of novel (1-aminoalkyl)(trifluoromethyl)- and -(difluoromethyl)phosphinic acids – analogues of proteinogenic and nonproteinogenic α-amino acids were prepared. The synthetic methodology was based on nucleophilic addition of (trifluoromethyl)phosphinic acid or (difluoromethyl)phosphinic acid or its ethyl ester to substrates with C=N or activated C=C double bonds. Analogues of glycine, phenylglycine, alanine, valine, proline, aminomalonic and aspartic acids were thus prepared. Three-component one-pot reactions of (trifluoromethyl)phosphinic acid and dibenzylamine with aldehydes were also

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