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Journal articles on the topic 'Horner emmons reaction'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

Ando, Kaori. "Z-Selective Horner-Wadsworth-Emmons Reaction." Journal of Synthetic Organic Chemistry, Japan 58, no. 9 (2000): 869–76. http://dx.doi.org/10.5059/yukigoseikyokaishi.58.869.

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2

Steinbach, Tobias, Christian Wahlen, and Frederik R. Wurm. "Poly(phosphonate)-mediated Horner–Wadsworth–Emmons reactions." Polymer Chemistry 6, no. 7 (2015): 1192–202. http://dx.doi.org/10.1039/c4py01365d.

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Poly(phosphonate)s were used in Horner–Wadsworth–Emmons (HWE) reactions with aldehydes. The progress of the reaction was monitored via in situ-NMR spectroscopy. Minimal purification efforts by precipitation of the polymer are achieved.

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3

Isbera, Mostafa, Balázs Bognár, József Jekő, Cecilia Sár, Kálmán Hideg, and Tamás Kálai. "Syntheses and Reactions of Pyrroline, Piperidine Nitroxide Phosphonates." Molecules 25, no. 10 (2020): 2430. http://dx.doi.org/10.3390/molecules25102430.

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Organophosphorus compounds occupy a significant position among the plethora of organic compounds, but a limited number of paramagnetic phosphorus compounds have been reported, including paramagnetic phosphonates. This paper describes the syntheses and further transformations of pyrroline and piperidine nitroxide phosphonates by well-established methods, such as the Pudovik, Arbuzov and Horner-Wadsworth-Emmons (HWE) reactions. The reaction of paramagnetic α-bromoketone produced a vinylphosphonate in the Perkow reaction. Paramagnetic α-hydroxyphosphonates could be subjected to oxidation, elimina

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4

Monçalves, Matias, Gabriel M. Zanotto, Josene M. Toldo та ін. "Dipolar vinyl sulfur fluorescent dyes. Synthesis and photophysics of sulfide, sulfoxide and sulfone based D–π–A compounds". RSC Advances 7, № 15 (2017): 8832–42. http://dx.doi.org/10.1039/c6ra27989a.

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5

Suzuki, Hideyuki, та Chiaki Kuroda. "(E)-Selective Synthesis of γ-Substituted-β-(Ethoxycarbonyl)Allylsilanes Utilising Ethyl 2-Diphenylphosphono-3-(Trimethylsilyl)Propionate. Improved Synthesis of 11 Membered Carbocycle by a Homo-Cope Reaction". Journal of Chemical Research 2003, № 5 (2003): 310–12. http://dx.doi.org/10.3184/030823403103173930.

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6

A. Bisceglia, Juan, and Liliana R. Orelli. "Recent Progress in the Horner-Wadsworth-Emmons Reaction." Current Organic Chemistry 19, no. 9 (2015): 744–75. http://dx.doi.org/10.2174/1385272819666150311231006.

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7

Ando, Kaori, and Kyohei Yamada. "Solvent-free Horner–Wadsworth–Emmons reaction using DBU." Tetrahedron Letters 51, no. 25 (2010): 3297–99. http://dx.doi.org/10.1016/j.tetlet.2010.04.072.

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8

Ando, Kaori. "ChemInform Abstract: Z-Selective Horner-Wadsworth-Emmons Reaction." ChemInform 32, no. 16 (2001): no. http://dx.doi.org/10.1002/chin.200116288.

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9

Baikadi, Karunakar, Anil Talakokkula, and A. Narsaiah. "Stereoselective Total Synthesis of Macrolide Sch-725674 and C-7-epi-Sch-725674." SynOpen 03, no. 01 (2019): 26–35. http://dx.doi.org/10.1055/s-0037-1611665.

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The stereoselective total synthesis of Sch-725674 in 14 linear synthetic steps with 10.3% overall yield is described. The synthesis started from commercially available starting materials, d-ribose and (R)-benzyl glycidol. The key reactions involved CBS reduction, Julia–Kocienski olefination, Horner–Wadsworth–Emmons reaction, and Shiina macrolactonization.

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10

Mai, Juri, and Sascha Ott. "The Fascinating World of Phosphanylphosphonates: From Acetylenic Phosphaalkenes to Reductive Aldehyde Couplings." Synlett 30, no. 16 (2019): 1867–85. http://dx.doi.org/10.1055/s-0039-1690129.

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This account highlights the versatility of phosphanylphosphonates, which can be used for the preparation of phosphorus-containing π-systems and as reagents for the reductive coupling of carbonyl compounds to alkenes. Phosphanylphosphonates with metal fragments coordinated to the P-lone pair have been known for a long time and they have been used for the synthesis of phosphaalkenes by means of the phospha-Horner–Wadsworth–Emmons reaction. With the original aim of incorporating phosphorus heteroatoms into classical all-carbon ethynylethene scaffolds, we entered the field of phosphanylphosphonate

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11

Tsai, Hou-Jen. "Synthesis of 1,1-Difluoroolefins Via Wittig-Horner-Emmons Reaction." Phosphorus, Sulfur, and Silicon and the Related Elements 177, no. 8-9 (2002): 2143. http://dx.doi.org/10.1080/10426500213415.

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12

Inoue, Hideki, Hiroshi Tsubouchi, Yasuo Nagaoka, and Kiyoshi Tomioka. "Synthesis of allenes by double Horner–Wadsworth–Emmons reaction." Tetrahedron 58, no. 1 (2002): 83–90. http://dx.doi.org/10.1016/s0040-4020(01)01089-4.

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13

ERNST, H., and P. MUENSTER. "ChemInform Abstract: Carotenoid Synthesis. Wittig and Horner-Emmons Reaction." ChemInform 28, no. 6 (2010): no. http://dx.doi.org/10.1002/chin.199706301.

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14

Demir, Ayhan S., Zuhal Gercek, Nese Duygu, A. Cigdem Igdir, and Omer Reis. "Butenolide annelation using a manganese(III) oxidation. A synthesis of chromolaenin (Laevigatin)." Canadian Journal of Chemistry 77, no. 8 (1999): 1336–39. http://dx.doi.org/10.1139/v99-136.

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A procedure was developed for the annelation of a butenolide to an aromatic ketone that highlighted a manganese(III) oxidation of an aromatic ketone. The merit of this procedure was illustrated in a synthesis of Chromolaenin (Laevigatin) (1) from 4,7-dimethyl-1-tetralone (2c). Oxidation of tetralone and indanone with manganese(III) acetate in the presence of chloro- or bromopropionic acid or their Mn(II) salts furnished a α-haloesters 3a-d. An Arbuzov reaction of haloesters with triethylphosphite and an intramolecular Horner-Watsworth-Emmons cyclization of the resulting phosphonate gave buteno

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15

Reddy, Chada Raji, Kamalkishor Warudikar, and Bellamkonda Latha. "Facile Strategy to Access the Indolo[2,3-a]quinolizidine Framework: Synthetic Study on Tangutorine." Synthesis 51, no. 19 (2019): 3715–22. http://dx.doi.org/10.1055/s-0039-1690004.

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An asymmetric synthetic approach to indolo[2,3-a]quinolizidine framework has been developed involving Horner–Wadsworth–Emmons olefination and reductive amination as the key steps. Further, the developed strategy was explored towards the synthesis of tangutorine using Evans aldol reaction for the preparation of desired aldehyde.

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16

Ryan, Sarah J., Christopher D. Thompson, and David W. Lupton. "A Synthetic and Computational Investigation into the Direct Synthesis of ?-Hydroxymethylated Enones from ?-Keto Phosphonates." Australian Journal of Chemistry 62, no. 7 (2009): 720. http://dx.doi.org/10.1071/ch09301.

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The synthesis of a range of α-hydroxymethylated enones has been achieved using the Villiéras modification of the Horner–Wadsworth–Emmons (HWE) reaction. Scope, limitations, and mechanistic aspects of this reaction were investigated using a combination of synthetic and computational studies. These investigations support a Schlosser–Corey type reaction mechanism that is balanced between two pathways with the outcome influenced by the steric environment of the substrate.

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17

Abiko, Atsushi, and Satoru Masamune. "The asymmetric Horner-Emmons reaction using a benzopyrano-isoxazolidine auxiliary." Tetrahedron Letters 37, no. 7 (1996): 1077–80. http://dx.doi.org/10.1016/0040-4039(95)02352-6.

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18

Tanaka, Kiyoshi, Kenji Otsubo, and Kaoru Fuji. "Enantioselective preparation of allenecarboxylates by asymmetric horner-wadsworth-emmons reaction." Tetrahedron Letters 37, no. 21 (1996): 3735–38. http://dx.doi.org/10.1016/0040-4039(96)00672-7.

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19

Brandt, Peter, Per-Ola Norrby, Ivar Martin, and Tobias Rein. "A Quantum Chemical Exploration of the Horner−Wadsworth−Emmons Reaction." Journal of Organic Chemistry 63, no. 4 (1998): 1280–89. http://dx.doi.org/10.1021/jo971973t.

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20

Boulos, L. S., and M. H. N. Arsanious. "The Reaction of Wadsworth-Emmons-Horner Reagents witho- andp-Quinoneimines." Phosphorus, Sulfur, and Silicon and the Related Elements 89, no. 1-4 (1994): 185–91. http://dx.doi.org/10.1080/10426509408020448.

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21

Bisceglia, Juan A., and Liliana R. Orelli. "ChemInform Abstract: Recent Progress in the Horner-Wadsworth-Emmons Reaction." ChemInform 46, no. 37 (2015): no. http://dx.doi.org/10.1002/chin.201537252.

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22

KUMAMOTO, Takuya, and Kenji KOGA. "Enantioselective Horner-Wadsworth-Emmons Reaction Using Chiral Lithium 2-Aminoalkoxides." CHEMICAL & PHARMACEUTICAL BULLETIN 45, no. 4 (1997): 753–55. http://dx.doi.org/10.1248/cpb.45.753.

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23

Kawashima, Takayuki, Mio Nakamura та Naoki Inamoto. "TANDEM PETERSON-MICHAEL REACTION USING α-SILYLALKYLPHOSPHINE CHALCOGENIDES AND HORNER-EMMONS REACTION". Phosphorus, Sulfur, and Silicon and the Related Elements 69, № 3-4 (1992): 293–97. http://dx.doi.org/10.1080/10426509208040649.

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24

Beemelmanns, Christine, Dávid Roman, and Maria Sauer. "Applications of the Horner–Wadsworth–Emmons Olefination in Modern Natural Product Synthesis." Synthesis 53, no. 16 (2021): 2713–39. http://dx.doi.org/10.1055/a-1493-6331.

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AbstractThe Horner–Wadsworth–Emmons (HWE) reaction is one of the most reliable olefination reaction and can be broadly applied in organic chemistry and natural product synthesis with excellent selectivity. Within the last few years HWE reaction conditions have been optimized and new reagents developed to overcome challenges in the total syntheses of natural products. This review highlights the application of HWE olefinations in total syntheses of structurally different natural products covering 2015 to 2020. Applied HWE reagents and reactions conditions are highlighted to support future synthe

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25

Hosokawa, Seijiro, and Haruka Sato. "Synthesis of the C1–C17 Segment of Bafilomycin N." Synlett 30, no. 05 (2019): 577–80. http://dx.doi.org/10.1055/s-0037-1611727.

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The C1–C17 segment of bafilomycin N has been synthesized. The C1–C11 segment was synthesized by the anti-selective vinylogous Mukaiyama aldol reaction with a chiral vinylketene silyl N,O-acetal and the Horner–Wadsworth–Emmons reaction, whereas C12–C17 was constructed by the syn-selective vinylogous Mukaiyama aldol reaction and the Jung’s semipinacol rearrangement. Those segments were connected by the Stille coupling to afford the C1–C17 segment.

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26

Sano, Shigeki, Michiyasu Nakao, Kazue Tanaka, and Syuji Kitaike. "Synthesis of Fluorine-Containing Analogues of 1-Lysoglycerophospholipids via Horner–Wadsworth–Emmons Reaction." Synthesis 49, no. 16 (2017): 3654–61. http://dx.doi.org/10.1055/s-0036-1588826.

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An efficient method of synthesizing fluorine-containing analogues of 1-lysoglycerophospholipids (1-LPLs) by introducing a palmitoyl moiety starting from bis(2,2,2-trifluoroethyl)phosphonoacetate (Still–Gennari reagent) is described. The method effectively employs Horner–Wadsworth–Emmons reagents as masked 1-LPL derivatives to prepare a series of analogues of 1-lysophosphatidic acid (1-LPA), 1-lysophosphatidylethanolamine (1-LPE), and 1-lysophosphatidylcholine (1-LPC).

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27

Dias, L. C., P. K. Kuroishi, and E. C. de Lucca. "The total synthesis of (−)-cryptocaryol A." Organic & Biomolecular Chemistry 13, no. 12 (2015): 3575–84. http://dx.doi.org/10.1039/c5ob00080g.

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A stereoselective total synthesis of (−)-cryptocaryol A (1) is described. Key features of the 17-step route include the use of three boron-mediated aldol reaction–reduction sequences to control all stereocenters and an Ando modification of the Horner–Wadsworth–Emmons olefination that permitted the installation of the Z double bond of the α-pyrone ring.

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28

Sano, Shigeki, Tomoya Matsumoto, Munehisa Toguchi, and Michiyasu Nakao. "Facile Two-Step Synthesis of Methyl Bis(2,2,2-trifluoroethyl)phosphonoacetate by Exploiting Garegg–Samuelsson Reaction Conditions." Synlett 29, no. 11 (2018): 1461–64. http://dx.doi.org/10.1055/s-0036-1591566.

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A facile two-step synthesis of methyl bis(2,2,2-trifluoroethyl)phosphonoacetate (Still–Gennari reagent) has been developed by exploiting Garegg–Samuelsson reaction conditions. Starting from trimethyl phosphonoacetate, Still–Gennari reagent was prepared in 94% yield via methyl 2-{bis[(trimethylsilyl)oxy]phosphoryl}acetate intermediate. This synthetic procedure was also used to prepare some kinds of Horner–Wadsworth–Emmons reagents and related compounds.

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29

Iakobson, George, and Petr Beier. "Highly selective synthesis of (E)-alkenyl-(pentafluorosulfanyl)benzenes through Horner–Wadsworth–Emmons reaction." Beilstein Journal of Organic Chemistry 8 (July 25, 2012): 1185–90. http://dx.doi.org/10.3762/bjoc.8.131.

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Diethyl 2-nitro-(pentafluorosulfanyl)benzylphosphonates, available by the vicarious nucleophilic substitution reaction of meta- and para-nitro-(pentafluorosulfanyl)benzenes and diethyl chloromethylphosphonate, undergo Horner–Wadsworth–Emmons reaction with aldehydes in the presence of potassium hydroxide in acetonitrile at ambient temperature to give (E)-2-nitro-1-alkenyl-(pentafluorosulfanyl)benzenes in good yields and high stereoselectivities. Follow-up transformations of the primary products provided (E)-1-alkenyl-(pentafluorosulfanyl)benzenes and 2-(2-arylethyl)-(pentafluorosulfanyl)aniline

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30

Abrunhosa-Thomas, Isabelle, Aurélie Plas, Nishanth Kandepedu, Pierre Chalard та Yves Troin. "Efficient synthesis of β’-amino-α,β-unsaturated ketones". Beilstein Journal of Organic Chemistry 9 (6 березня 2013): 486–95. http://dx.doi.org/10.3762/bjoc.9.52.

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A general and simple procedure to access chiral β'-amino-α,β-enones, in seven steps, from an α,β unsaturated ester has been described. The use of a Horner–Wadsworth–Emmons reaction as a key step for generating the β'-amino-α,β-enones, permits access to a range of substrates under mild conditions and in moderate to high yield.

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31

Reddy, Julakanti Satyanarayana, Marri Gangababu, Patel Manimala, Aluru Rammohan, and Jillu Singh Yadav. "Studies towards the Total Synthesis of Kadcotrione B." Synthesis 52, no. 05 (2019): 735–43. http://dx.doi.org/10.1055/s-0039-1691494.

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A convergent and efficient approach towards the total synthesis of Kadcotrione B is described. For this purpose, the syntheses of two fragments, 6/6/5-fused tricyclic ring and C-9 side chain, were accomplished. The salient features of these syntheses are the utilization of aldol condensation, Evans aldol reaction, Horner–Wadsworth–Emmons olefination, Michael addition, Robinson annulation, and Wacker oxidation.

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32

Arai, Shigeru, Seiji Hamaguchi, and Takayuki Shioiri. "Catalytic asymmetric Horner-Wadsworth-Emmons reaction under phase-transfer-catalyzed conditions." Tetrahedron Letters 39, no. 19 (1998): 2997–3000. http://dx.doi.org/10.1016/s0040-4039(98)00442-0.

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33

Neidlein, R., and B. Matuschek. "Synthesis of some phosphonocarbonyl compounds via Horner-Emmons reaction of methylenbisphosphonate." Monatshefte f�r Chemie Chemical Monthly 124, no. 6-7 (1993): 789–92. http://dx.doi.org/10.1007/bf00817315.

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34

Everson, Jack, and Milton J. Kiefel. "Synthesis of Butenolides via a Horner–Wadsworth–Emmons Cascading Dimerization Reaction." Journal of Organic Chemistry 84, no. 23 (2019): 15226–35. http://dx.doi.org/10.1021/acs.joc.9b02015.

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35

Tanaka, Kiyoshi, Yoshihisa Ohta, Kaoru Fuji, and Tooru Taga. "Differentiation of enantiotopic carbonyl groups by the horner-wadsworth-emmons reaction." Tetrahedron Letters 34, no. 25 (1993): 4071–74. http://dx.doi.org/10.1016/s0040-4039(00)60618-4.

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36

Elamparuthi, Elangovan, and Torsten Linker. "Carbohydrate-2-deoxy-2-phosphonates: Simple Synthesis and Horner-Emmons Reaction." Angewandte Chemie International Edition 48, no. 10 (2009): 1853–55. http://dx.doi.org/10.1002/anie.200804725.

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37

Inoue, Hideki, Hiroshi Tsubouchi, Yasuo Nagaoka, and Kiyoshi Tomioka. "ChemInform Abstract: Synthesis of Allenes by Double Horner-Wadsworth-Emmons Reaction." ChemInform 33, no. 25 (2010): no. http://dx.doi.org/10.1002/chin.200225054.

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38

Taylor, Edward C., and Huw M. L. Davies. "Synthesis of fused 1,2-diazetidinones via an intramolecular Horner-Emmons reaction." Journal of Organic Chemistry 51, no. 9 (1986): 1537–40. http://dx.doi.org/10.1021/jo00359a029.

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39

Peng, Yungui, Yanqiang Ning, Songlin Tan, Dezhong Li та Na Liao. "Sulfonyl as a Traceless Activation Group for Enantioselective Mannich Reaction Catalyzed by Thiourea to Access Chiral β-Aminophosphonates". Synlett 29, № 05 (2018): 678–82. http://dx.doi.org/10.1055/s-0036-1589156.

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An efficient enantioselective Mannich reaction of N-protected α-sulfones with β-benzenesulfonyl phosphonates was developed by using a chiral cinchona alkaloid-derived thiourea as a catalyst. This method was used to obtain a series of chiral α-sulfonyl-β-aminophosphonates in yields of up to 96% with 89:11 dr and 88% ee. These compounds were further transformed into β-aminophosphonates or chiral azetidines with various functional groups by a Horner–Wadsworth–Emmons/aza-Michael addition reaction sequence.

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40

Wang, Bo, Liping Wang, Ying Peng, et al. "The First Total Synthesis of (±)-Methyl Salvianolate A Using a Convergent Strategy." Molecules 24, no. 5 (2019): 999. http://dx.doi.org/10.3390/molecules24050999.

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Herein, a convergent, practicable and first total synthesis of the natural product, (±)-methyl salvianolate A, is reported. The key features of the approach are the use of a Horner–Wadsworth–Emmons reaction and the protection of multiple hydroxyls using silyl protecting groups. The employment of the readily removable silyl protecting groups allows the synthesis of (±)-methyl salvianolate A and its derivatives on a reasonably large scale.

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41

Matziari, Magdalini, та Yixin Xie. "One-Pot Synthesis of α-Substituted Acrylates". SynOpen 02, № 02 (2018): 0161–67. http://dx.doi.org/10.1055/s-0037-1610357.

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A simple and efficient synthetic method towards α-substituted acrylic esters has been developed using the Horner–Wadsworth–Emmons (HWE) reaction with HCHO after alkylation of phosphonoacetates in a one-pot reaction. This method allows the smooth introduction of various side-chains, such as natural amino acids and other biologically relevant substituents. The use of mild conditions, inexpensive reagents, short reaction times and simple work-up and purification steps provides an effective and general alternative to cumbersome multistep and low-yielding procedures described to date.

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42

Štambaský, Jan, Andrei V. Malkov, and Pavel Kočovský. "Preparation of Boc-Protected Cinnamyl-Type Alcohols: A Comparison of the Suzuki-Miyaura Coupling, Cross-Metathesis, and Horner-Wadsworth-Emmons Approaches and Their Merit in Parallel Synthesis." Collection of Czechoslovak Chemical Communications 73, no. 5 (2008): 705–32. http://dx.doi.org/10.1135/cccc20080705.

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Three synthetic strategies for the construction of tert-butyl (E)-3-arylprop-2-en-1-ol carbonates are described. Complementary approaches employing Suzuki-Miyaura coupling and cross-metathesis reaction gave moderate yields of the title compounds in one-step, both methods are suitable for high-throughput and parallel chemistry. A detailed investigation into the Suzuki-Miyaura coupling reaction is provided along with the studies on the synthesis of pinacolyl 1-(tert-butyloxycarbonyl)propenol-3-ylboronate, the key building block. Conventional synthesis of the title compounds via the Horner-Wadswo

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43

Yerrabelly, Jayaprakash, Rajashekar Kommera, Venkateshwer Kasireddy, Venkat Ghojala, Markandeya Bekkam, and Pradeep Rebelli. "A Scalable Approach for the Synthesis of Epothilone Thiazole Fragment (C12–C21 unit) Via Wacker Oxidation." Synlett 29, no. 08 (2018): 1076–78. http://dx.doi.org/10.1055/s-0036-1591942.

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A new scalable synthesis of the common thiazole fragment (C12–C21 unit) of epothilone family of molecules (epothilone A–D) has been developed via palladium-catalyzed Wacker oxidation as a key step using (S)-2,2,3,3,9,9,10,10-octamethyl-5-vinyl-4,8-dioxa-3,9-disilaundecane, which has been prepared from commercially available chiral synthon (R)-ethyl-4-cyano-3-hydroxybutanoate. Then further chemical modifications using Horner–Wadsworth–Emmons reaction and Wittig reaction result in the common thiazole fragment (C12–C21 unit) in good yields.

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44

KAWASHIMA, T., M. NAKAMURA та N. INAMOTO. "ChemInform Abstract: Tandem Peterson-Michael Reaction Using α-Silylalkylphosphine Chalcogenides and Horner-Emmons Reaction." ChemInform 23, № 51 (1992): no. http://dx.doi.org/10.1002/chin.199251231.

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45

Collado, I. "Diastereoselective functionalization of 5-hydroxy prolinates by tandem Horner-Emmons-Michael reaction." Tetrahedron Letters 35, no. 41 (1994): 8037–40. http://dx.doi.org/10.1016/s0040-4039(00)78417-6.

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46

Kobayashi, Kenichi, Kosaku Tanaka, and Hiroshi Kogen. "Recent topics of the natural product synthesis by Horner–Wadsworth–Emmons reaction." Tetrahedron Letters 59, no. 7 (2018): 568–82. http://dx.doi.org/10.1016/j.tetlet.2017.12.076.

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47

Shimizu, Makoto, Masasato Tateishi та Isao Mizota. "N-Alkylation of α-Iminophosphonates and Application to Horner–Wadsworth–Emmons Reaction". Chemistry Letters 43, № 11 (2014): 1752–54. http://dx.doi.org/10.1246/cl.140763.

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48

Mizuno, Masashi, Kunihiko Fujii, and Kiyoshi Tomioka. "The Asymmetric Horner-Wadsworth-Emmons Reaction Mediated by An External Chiral Ligand." Angewandte Chemie International Edition 37, no. 4 (1998): 515–17. http://dx.doi.org/10.1002/(sici)1521-3773(19980302)37:4<515::aid-anie515>3.0.co;2-q.

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49

TANAKA, K., K. OTSUBO, and K. FUJI. "ChemInform Abstract: Enantioselective Preparation of Allenecarboxylates by Asymmetric Horner-Wadsworth-Emmons Reaction." ChemInform 27, no. 39 (2010): no. http://dx.doi.org/10.1002/chin.199639110.

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50

ABIKO, A., and S. MASAMUNE. "ChemInform Abstract: The Asymmetric Horner-Emmons Reaction Using a Benzopyrano- Isoxazolidine Auxiliary." ChemInform 27, no. 22 (2010): no. http://dx.doi.org/10.1002/chin.199622036.

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