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2 article(s) from Yang, Zhen

Efficient CO₂ capture by tertiary amine-functionalized ionic liquids through Li⁺-stabilized zwitterionic adduct formation

Zhen-Zhen Yang and
Liang-Nian He

Beilstein J. Org. Chem. 2014, 10, 1959–1966, doi:10.3762/bjoc.10.204

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Scheme 1: Reactions of CO₂ with amino-group containing absorbents (a), base/proton donor binary system (b) or...

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Figure 1: Typical optimized structures of complex cations derived from chelation between Li⁺ and neutral liga...

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Figure 2: (a) Comparison of the thermal stability between the neutral ligands and the corresponding chelated ...

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Figure 3: In situ FTIR spectra of neutral ligands and the corresponding chelated ionic liquids after reaction...

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Figure 4: Influence of the ratio of LiNTf₂/neutral ligands (PEG₁₅₀MeTMG and PEG₁₅₀MeBu₂N) on the CO₂ capacity...

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Figure 5: The quantum chemistry calculations (enthalpy changes) of the reaction between CO₂ and [PEG₁₅₀MeTMGL...

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Published 21 Aug 2014

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Synthesis and characterization of Sant-75 derivatives as Hedgehog-pathway inhibitors

Chao Che,
Song Li,
Bo Yang,
Shengchang Xin,
Zhixiong Yu,
Taofeng Shao,
Chuanye Tao,
Shuo Lin and
Zhen Yang

Beilstein J. Org. Chem. 2012, 8, 841–849, doi:10.3762/bjoc.8.94

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Figure 1: Structures of Smo antagonists and agonists.

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Scheme 1: General synthetic route for Sant-75. Reagents and conditions: (a) Pd(PPh₃)₄, PhMe, Na₂CO₃, H₂O, 85 ...

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Scheme 2: Substituent-modifications on the motif A. Reagents and conditions: (a) CH₂Cl₂, Et₃N; (b) CH₂Cl₂, TF...

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Scheme 3: Substituent-modifications on the motif A. Reagents and conditions: (a) (i) FeCl₃, Zn, H₂O, DMF, 100...

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Scheme 4: Core modification on the motif A. Reagents and conditions: (a) BOP, DIEA, DMF; (b) CH₂Cl₂, TFA.

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Figure 2: Core modification on the motif B.

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Scheme 5: Synthesis of key intermediate biaryl aldehydes. Reagents and conditions: (a) Pd(OAc)₂, PPh₃, 1,4-di...

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Scheme 6: Chemical modifications on the motif C. Reagents and conditions: (a) Pd(OAc)₂, PPh₃, 1,4-dioxane, Na₂...

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Scheme 7: Chemical modifications on the motif D. Reagents and conditions: (a) R²COCl, CH₂Cl₂.

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Published 06 Jun 2012

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Efficient CO2 capture by tertiary amine-functionalized ionic liquids through Li+-stabilized zwitterionic adduct formation

Synthesis and characterization of Sant-75 derivatives as Hedgehog-pathway inhibitors

Efficient CO₂ capture by tertiary amine-functionalized ionic liquids through Li⁺-stabilized zwitterionic adduct formation