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Search for "reductive coupling" in Full Text gives 32 result(s) in Beilstein Journal of Organic Chemistry.

Amino-substituted diazocines as pincer-type photochromic switches

  • Hanno Sell,
  • Christian Näther and
  • Rainer Herges

Beilstein J. Org. Chem. 2013, 9, 1–7, doi:10.3762/bjoc.9.1

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  • quantitatively in ortho position to the ethylene bridge, forming 1,2-bis(2-nitro-4-aminophenyl)ethane (3) [11]. Intramolecular reductive coupling of the nitro groups to form the azo unit proceeds with notoriously low yields. The most frequently used procedure using Zn as the reducing agent in Ba(OH)2 [12] or
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Published 02 Jan 2013

Metal–ligand multiple bonds as frustrated Lewis pairs for C–H functionalization

  • Matthew T. Whited

Beilstein J. Org. Chem. 2012, 8, 1554–1563, doi:10.3762/bjoc.8.177

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  • heterocumulenes [71]. Reductive coupling of two CS2 units at (PNP)Ir═C(H)Ot-Bu [73]. Possible routes to C–H functionalization by 1,2-addition across a polarized metal–element multiple bond. Alkoxycarbene formation by double C–H activation at (PNP)Ir [88]. Catalytic oxidation of MTBE by multiple C–H activations
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Published 18 Sep 2012

Fifty years of oxacalix[3]arenes: A review

  • Kevin Cottet,
  • Paula M. Marcos and
  • Peter J. Cragg

Beilstein J. Org. Chem. 2012, 8, 201–226, doi:10.3762/bjoc.8.22

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  • which two, or all three, units are identical [22]. The method was based on the reductive coupling of silylated derivatives of 2,6-hydroxymethylphenols, in which R is t-Bu, Me, benzyl (Bz), phenyl (Ph), or a halide, as shown in Scheme 3. The reaction takes place under conditions of high dilution at −78
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Published 07 Feb 2012

Directed ortho,ortho'-dimetalation of hydrobenzoin: Rapid access to hydrobenzoin derivatives useful for asymmetric synthesis

  • Inhee Cho,
  • Labros Meimetis,
  • Lee Belding,
  • Michael J. Katz,
  • Travis Dudding and
  • Robert Britton

Beilstein J. Org. Chem. 2011, 7, 1315–1322, doi:10.3762/bjoc.7.154

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  • which arises through the deprotonation of benzyl chloride by 8 and reaction of the resulting benzyl anion with a second equivalent of benzyl chloride. Likewise, attempts to effect a reductive coupling of the tetralithio intermediate to afford the dihydrophenanthrenediol 23 [22] with the aid of various
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Published 22 Sep 2011

A practical microreactor for electrochemistry in flow

  • Kevin Watts,
  • William Gattrell and
  • Thomas Wirth

Beilstein J. Org. Chem. 2011, 7, 1108–1114, doi:10.3762/bjoc.7.127

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  • platinum electrodes with a surface area of 45 mm2 were positioned with an inter-electrode gap of either 160 µm or 320 µm, and C–C bond forming reactions based on the electro-reductive coupling of activated olefins and benzyl bromide derivatives were reported. The best result obtained was a 98% formation of
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Published 15 Aug 2011

Homoallylic amines by reductive inter- and intramolecular coupling of allenes and nitriles

  • Peter Wipf and
  • Marija D. Manojlovic

Beilstein J. Org. Chem. 2011, 7, 824–830, doi:10.3762/bjoc.7.94

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  • article, we report a one-pot hydrozirconation of allenes and nitriles that facilitates the reductive coupling to yield N-unprotected homoallylic amines. Results and Discussion We first investigated the addition of allylzirconocenes to N-aluminoimines. N-aluminoisobutyroimine 1 was prepared in situ by the
  • protocol for the reductive coupling of allenes and alkynes [38], led to the formation of homoallylic amine 8 in 75% yield after stirring at room temperature for 3 h. Under the optimized conditions for the reaction of benzonitrile (7), we further explored the scope of the reaction of nitriles with 2 (Table
  • to that of the zinca-Claisen reaction observed by Suzuki and co-workers [38]. Analogous to the previous work in our group [15], the silyl-substituted allene 16 produced the (E)-vinylsilane 17 as the sole product in this reaction. Given the success of the one-pot intermolecular reductive coupling of
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Published 17 Jun 2011

Chiral trimethylsilylated C2-symmetrical diamines as phosphorous derivatizing agents for the determination of the enantiomeric excess of chiral alcohols by 1H NMR

  • Anne-Sophie Chauvin and
  • Alexandre Alexakis

Beilstein J. Org. Chem. 2006, 2, No. 6, doi:10.1186/1860-5397-2-6

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  • [30]. (R,R)-1,2-diphenyl-N,N'-bis-trimethylsilanylmethyl-ethane-1,2-diamine 2 was prepared by the same method, starting from (R,R)-diphenyl-ethane-1,2-diamine 5 (Scheme 2) [31]. N,N'-Dimethyl-1,2-bis-(3-trimethylsilanyl-phenyl)-ethane-1,2-diamine 3 was synthesised by reductive coupling of methyl-(3
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Published 28 Mar 2006
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