2 article(s) from Nishikata, Takashi
Reaction modes of alkyne.
Jump to Scheme 1
Substrate scope of 1 and 2. aConducted at 80 °C for 24 h in MeCN with CuBr (10 mol %), 1,10-Phen (2...
Jump to Figure 1
Jump to Scheme 2
Jump to Scheme 3
Reaction of 2a and 4a.
Jump to Scheme 4
Substrate scope of 2 and 4. aConducted at 100 °C for 20 h in 1,4-dioxane with CuI (10 mol %), 1,10-...
Jump to Figure 2
Beilstein J. Org. Chem. 2020, 16, 502–508, doi:10.3762/bjoc.16.45
Road map to enhanced C–H activation reactivity.
Concerted metalation–deprotonation and elelectrophilic palladation pathways for C–H activation.
Routes for generation of cationic palladium(II) species.
Optimized conditions for C–H arylations at room temperature.
Biaryl formation catalyzed by Pd(OAc)2.
C–H arylation results. Conditions A: Conducted at rt for 20 h in 2 wt % Brij 35/water (1 mL) with 1...
Monoarylations in water at rt. Conditions A: Conducted at rt for 20 h in 2 wt % Brij 35/water with ...
Jump to Figure 3
Selective arylation of a 1-naphthylurea derivative.
Jump to Scheme 5
Fujiwara–Moritani coupling rreactions in water. Conditions A: 10 mol % [Pd(MeCN)4](BF4)2, 1 equiv B...
Jump to Figure 4
Optimization. Conducted at rt for 8 h or as otherwise noted in EtOAc with 10 mol % Pd catalyst, AgO...
Jump to Figure 5
Representative results in EtOAc. Conducted at rt in EtOAc with 10 mol % Pd(OAc)2, HBF4 (1 equiv), a...
Jump to Figure 6
Previous syntheses of boscalid®.
Jump to Scheme 6
Synthesis of boscalid®. aConducted at rt for 20 h in EtOAc with 10 mol % [Pd(MeCN)4](BF4)2, BQ (5 e...
Jump to Scheme 7
Hypothetical reaction sequence for cationic Pd(II)-catalyzed aromatic C–H activation reactions.
Jump to Scheme 8
Jump to Scheme 9
X-ray structure of palladacycle 6 with thermal ellipsoids at the 50% probability level. BF4 and hyd...
Jump to Figure 7
NMR studies. A: The reaction of [Pd(MeCN)4](BF4)2 and 3-MeOC6H4NHCONMe2 in acetone-d6. B: The react...
Jump to Figure 8
The generation of cationic Pd(II) from Pd(OAc)2.
Jump to Scheme 10
Electrophilic substitution of aromatic hydrogen by cationic palladium(II) species.
Jump to Scheme 11
Attempted reactions of palladacycle 6.
Jump to Scheme 12
The impact of MeCN on C-H activation/coupling reactions.
Jump to Scheme 13
Stoichiometric MeCN-free reactions. a2% Brij 35 was used instead of EtOAc.
Jump to Scheme 14
The reactions of divalent palladacycles.
Jump to Scheme 15
Role of BQ in stoichiometric Fujiwara–Moritani and Suzuki–Miyaura coupling reactions. aYields based...
Jump to Scheme 16
Proposed role of BQ in Fujiwara–Moritani reactions.
Jump to Scheme 17
Proposed role of BQ in Suzuki–Miyaura coupling reactions.
Jump to Scheme 18
Stoichiometric C–H arylation of iodobenzene. aYields based on Pd.
Jump to Scheme 19
Impact of acetate on the cationicity of Pd.
Jump to Scheme 20
Roles of additives in C–H arylation.
Jump to Scheme 21
Cross-coupling in the presence of AgBF4.
Jump to Scheme 22
A proposed catalytic cycle for Fujiwara–Moritani reactions.
Jump to Scheme 23
Proposed catalytic cycle of C–H activation/Suzuki–Miyaura coupling reactions.
Jump to Scheme 24
A proposed catalytic cycle for C–H arylation involving a Pd(IV) intermediate.
Jump to Scheme 25
Selected reactions of divalent palladacycles.
Jump to Scheme 26
Beilstein J. Org. Chem. 2016, 12, 1040–1064, doi:10.3762/bjoc.12.99
Subscribe to our Latest Articles RSS Feed.
Register and get informed about new articles.
Follow the Beilstein-Institut