Academic literature on the topic 'Benzylen'

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Journal articles on the topic "Benzylen"

1

McGeary, Ross, Jed Burns, and Elizabeth Krenske. "Claisen Rearrangements of Benzyl Vinyl Ethers and Heterobenzyl Vinyl Ethers." Synthesis 50, no. 09 (2018): 1750–72. http://dx.doi.org/10.1055/s-0036-1589529.

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The Claisen rearrangement of benzylic substrates (benzyl vinyl­ ethers) has received considerably less attention than its well-known aliphatic and normal aromatic variants. Here, we review the rearrangement of both benzylic and heterobenzylic substrates, with examples of the reaction’s use in the synthesis of natural products and drug-like molecules.1 Introduction2 Early Attempts at the Benzyl-Claisen Rearrangement3 Successful Benzylic Examples4 Heterobenzylic Examples5 Conclusion
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2

Walji, Dhiran V. B., John M. D. Storey, and William T. A. Harrison. "BenzylN-benzyl-N-(2-formylphenyl)carbamate–benzylN-benzyl-N-(2-carboxyphenyl)carbamate [0.332 (4)/0.668 (4)]." Acta Crystallographica Section E Structure Reports Online 63, no. 4 (2007): o1575—o1576. http://dx.doi.org/10.1107/s1600536807009063.

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3

Suzuki, Koki, Hiroaki Tsuji, and Motoi Kawatsura. "Ruthenium-catalyzed benzylic substitution of benzyl esters with stabilized carbon nucleophiles." Chemical Communications 56, no. 22 (2020): 3273–76. http://dx.doi.org/10.1039/c9cc09899b.

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4

Kitamura, Tsugio. "Synthetic Methods for the Generation and Preparative Application of Benzyne." Australian Journal of Chemistry 63, no. 7 (2010): 987. http://dx.doi.org/10.1071/ch10072.

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Many methods have been developed for generating benzyne. Convenient and reliable precursors extensively studied so far involve benzenediazonium-2-carboxylate and o-dihalobenzenes such as 1,2-bromofluorobenzene and 1,2-dibromobenzene. Recently, in addition to the above precursors, o-(trimethylsilyl)phenyl triflate has been put into frequent use for benzyne reactions, in which benzyne is efficiently generated under mild conditions using fluoride ion. Furthermore, o-(trimethylsilyl)phenyliodonium triflate has been developed as a more efficient benzyne precursor. This mini-review focusses on recen
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5

Urgoitia, Garazi, Ainhoa Maiztegi, Raul SanMartin, María Teresa Herrero, and Esther Domínguez. "Aerobic oxidation at benzylic positions catalyzed by a simple Pd(OAc)2/bis-triazole system." RSC Advances 5, no. 125 (2015): 103210–17. http://dx.doi.org/10.1039/c5ra22251f.

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6

Wentrup, Curt. "The Benzyne Story." Australian Journal of Chemistry 63, no. 7 (2010): 979. http://dx.doi.org/10.1071/ch10179.

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The history of o-benzyne from its early beginnings as an unobservable reactive intermediate until its present status as a very well characterized but still theoretically challenging molecule with important applications in synthesis is reviewed. The m- and p-benzynes, tridehydrobenzenes, and benzdiynes are also known, and p-benzyne is a key intermediate in the action of a potent class of ene-diyne anti-tumour compounds.
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7

Zhang, Lei, and Xile Hu. "Nickel catalysis enables convergent paired electrolysis for direct arylation of benzylic C–H bonds." Chemical Science 11, no. 39 (2020): 10786–91. http://dx.doi.org/10.1039/d0sc01445a.

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8

Tripathy, Sasmita, Ranga Reddy, and Tony Durst. "Preparation of benzocyclobutenols by low temperature reaction of ketone enolates with benzynes." Canadian Journal of Chemistry 81, no. 9 (2003): 997–1002. http://dx.doi.org/10.1139/v03-099.

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The reaction of benzynes, generated from halobenzenes with lithium tetramethylpipiperide (LTMP) at –40 to –78 °C, with ketone enolates affords benzocyclobutenols in fair to good yields.Key words: benzyne, ketone enolates, anthracenes, benzocyclobutenol, alkoxides.
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9

Wenthold, Paul G. "Thermochemical Properties of the Benzynes." Australian Journal of Chemistry 63, no. 7 (2010): 1091. http://dx.doi.org/10.1071/ch10126.

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The thermochemical properties of the benzynes have been the subject of investigation for nearly 50 years. This work provides an overview and assessment of all the experimental thermochemical properties that have been reported for the benzynes, or can be derived from reported thermochemical data. These properties include enthalpies of formation and thermochemical values that correspond to formation and dissociation of the benzynes by neutral and ionic processes. Thermochemical values are provided for both the ground-state singlet and the excited-state triplet states of the benzynes. The startin
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10

Berger, Anna Lucia, Karsten Donabauer, and Burkhard König. "Photocatalytic Barbier reaction – visible-light induced allylation and benzylation of aldehydes and ketones." Chemical Science 9, no. 36 (2018): 7230–35. http://dx.doi.org/10.1039/c8sc02038h.

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We report a photocatalytic version of the Barbier type reaction using readily available allyl or benzyl bromides and aromatic aldehydes or ketones as starting materials to generate allylic or benzylic alcohols.
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