C-H and C-C bond insertion reactions of diazo compounds into aldehydes
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron"
DOI: 10.1016/j.tet.2017.10.051
Abstract: Abstract This review covers formal insertion reactions of diazo compounds into aldehydes for the formation of ketones (C H bond insertion) and homologated aldehydes (C C bond insertion). The Roskamp homologation and related reactions have… read more here.
Keywords: insertion reactions; insertion; diazo compounds; reactions diazo ... See more keywords
Copper-Catalyzed Cyclization of N-Propargyl Ynamides with Borane Adducts through B-H Bond Insertion.
Sign Up to like & getrecommendations! Published in 2021 at "Organic letters"
DOI: 10.1021/acs.orglett.1c03092
Abstract: An efficient copper-catalyzed cyclization of N-propargyl ynamides with borane adducts through B-H bond insertion has been developed. A series of valuable organoboron compounds are constructed in generally good yields with a wide substrate scope and… read more here.
Keywords: catalyzed cyclization; bond; cyclization propargyl; bond insertion ... See more keywords
Copper-Catalyzed Si-H Bond Insertion Reaction of N-Propargyl Ynamides with Hydrosilanes.
Sign Up to like & getrecommendations! Published in 2021 at "Organic letters"
DOI: 10.1021/acs.orglett.1c03830
Abstract: Transition-metal-catalyzed Si-H bond insertion reactions are generally limited to stabilized diazo compounds. An efficient copper-catalyzed Si-H bond insertion reaction of N-propargyl ynamides with hydrosilanes is described, allowing practical and atom-economic construction of valuable organosilanes in… read more here.
Keywords: bond insertion; catalyzed bond; insertion reaction; bond ... See more keywords
Benzyne Polyfunctionalization via a Tandem C-C σ-Bond Insertion and Photo-Nazarov Cyclization.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c02652
Abstract: A tandem benzyne C-C σ-bond insertion reaction and photo-Nazarov cyclization protocol was developed, leading to the formation of three C-C bonds at consecutive positions of a benzene ring with concomitant assembly of a 6-5-6 tricyclic… read more here.
Keywords: bond insertion; photo nazarov; nazarov cyclization;
Boron-Catalyzed O-H Bond Insertion of α-Aryl α-Diazoesters in Water.
Sign Up to like & getrecommendations! Published in 2018 at "Organic letters"
DOI: 10.1021/acs.orglett.8b01988
Abstract: A catalytic, metal-free O-H bond insertion of α-diazoesters in water in the presence of B(C6F5)3· nH2O (2 mol %) was developed, affording a series of α-hydroxyesters in good to excellent yields. The reaction features easy… read more here.
Keywords: water; bond insertion; boron catalyzed; diazoesters water ... See more keywords
Selective C(sp3)–H Bond Insertion in Carbene/Alkyne Metathesis Reactions. Enantioselective Construction of Dihydroindoles
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DOI: 10.1021/acscatal.8b02822
Abstract: A general access to chiral dihydroindole derivatives in high yields is achieved by C–H functionalization in a highly site- and enantioselective cascade reaction of propargyl diazoacetates. Highly site-selective intramolecular C(sp3)–H bond insertions are realized by… read more here.
Keywords: bond; insertion; bond insertion; carbene alkyne ... See more keywords
Double α,α CH bond insertion into sp3 CH2 moiety: synthesis of a Fe carbene bis-hydride dinitrogen complex.
Sign Up to like & getrecommendations! Published in 2021 at "Dalton transactions"
DOI: 10.1039/d1dt00610j
Abstract: Reduction of high spin paramagnetic complex [(κ2-P, P'-PCH2PCy)FeCl2] 2 by two electrons under N2 resulted in the formation of two isomeric low spin diamagnetic complexes 3trans and 3cis [Fe(κ3-P,C,P'-PCPCy)(H)2(N2)]. Cristallization allowed isolation of complex 3d… read more here.
Keywords: sp3 ch2; ch2 moiety; bond insertion; double bond ... See more keywords
Probing borafluorene B-C bond insertion with gold acetylide and azide.
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DOI: 10.1039/d2dt03672j
Abstract: The reaction of Ph3PAuN3 with 9-Ph-9-borafluorene resulted in complexation of the azide to boron while a gold acetylide reacted with 9-Ph-9-borafluorene to insert the acetylide carbon to access a six-membered boracycle with an exocyclic double… read more here.
Keywords: bond insertion; borafluorene bond; probing borafluorene; gold ... See more keywords
A Rh(II)- or Ag(I)-Catalyzed Formal C–O Bond Insertion of Cyclic Hemiaminal with Aryl Diazoacetate
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DOI: 10.1055/a-1623-1490
Abstract: A mild and facile synthetic method via convergent assembly of two reactive intermediates generated in situ has been developed. This method provides an efficient way to construct six- and seven-membered N-heterocycles containing a biaryl linkage.… read more here.
Keywords: bond insertion; insertion cyclic; catalyzed formal; formal bond ... See more keywords