369 results on '"Das, Parthasarathi"'
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102. Hypervalent iodine(iii) catalyzed oxidative C–N bond formation in water: synthesis of benzimidazole-fused heterocycles
103. C–N bond formation via Cu-catalyzed cross-coupling with boronic acids leading to methyl carbazole-3-carboxylate: synthesis of carbazole alkaloids
104. Direct C-2 Arylation of 7-Azaindoles: Chemoselective Access to Multiarylated Derivatives
105. ChemInform Abstract: Synthesis and Characterization of 5-(6-Substituted phenyl-2H-chromen-3-yl) Oxazole Derivatives.
106. A new route to eremophilanes: synthesis of (±)-eremophilenolide, (±)-eremophiledinone, and (±)-deoxyeremopetasidione
107. Nickel-Catalyzed C(Aryl)-O Bond Activation/Cross-Coupling Reaction of Carbazoles with Methyl Grignard: Synthesis of Ellipticine.
108. Palladium/Silver Synergistic Catalysis in Direct Aerobic Carbonylation of C(sp2)-H Bonds Using DMF as a Carbon Source: Synthesis of Pyrido-Fused Quinazolinones and Phenanthridinones.
109. Copper-Catalyzed CNH2 Arylation of 2-Aminobenzimidazoles and Related C-Amino-NH-azoles.
110. Dithiocarbamate and CuO promoted one-pot synthesis of 2-(N-substituted)-aminobenzimidazoles and related heterocycles
111. Studies towards the total synthesis of narbonolide: stereoselective preparation of the C1–C10 fragment
112. Base and ligand free copper-catalyzed N-arylation of 2-amino-N-heterocycles with boronic acids in air
113. Synthesis and Characterisation of 5-(6-substituted phenyl -2H-chromen-3- yl) Oxazole Derivatives
114. ChemInform Abstract: Synthesis and Characterization of 9-Methyl-2-morpholin-4-yl-8-substituted Phenyl-1H-purine Derivatives Using Polyphosphoric Acid (PPA) as an Efficient Catalyst.
115. Synthesis and characterization of 9-methyl-2-morpholin-4-yl-8-substituted phenyl-1H-purine derivatives using polyphosphoric acid (PPA) as an efficient catalyst
116. ChemInform Abstract: Direct Synthesis of N‐Aryl Derivatives of Quinazolin‐4(3H)‐ones Employing Arylboronic Acids in the Presence of Cu(OAc)2.
117. ChemInform Abstract: Synthesis and Utilization of Chiral 3-N-Benzyl-N-methylaminoperhydropyrrolo[2,1-c][1,4]oxazin-4-one as a Novel Precursor for the Enantioselective Synthesis of α-Amino Acids and Their N-Methyl Derivatives.
118. ChemInform Abstract: Photoinduced Electron Transfer (PET) Promoted Oxidative Activation of 1-(N-Benzyl-N-methylglycyl)-(S)-prolinol: Development of Novel Strategies Towards Enantioselective Syntheses of α-Amino Acids, Their N-Methyl Derivatives, and α-Hyd
119. ChemInform Abstract: Diastereoselective Amination of Vinylic Sulfoximines: Application to the Asymmetric Synthesis of Functionalized β-Substituted and β,β-Disubstituted β-Amino Acids, and of γ-Amino Alcohols.
120. ChemInform Abstract: Diastereoselective Additions of Ethynyl Grignard Reagent to Erythrulose Derivatives.
121. ChemInform Abstract: Dithiocarbamate- and DBU-Promoted Amide Bond Formation under Microwave Condition.
122. Direct Synthesis of N-Aryl Derivatives of Quinazolin-4(3H)-ones Employing Arylboronic Acids in the Presence of Cu(OAc)2
123. An efficient synthesis of varenicline
124. Total Synthesis of (±)-Petasitolone and (±)-Fukinone
125. Studies toward a Total Synthesis of Rhizoxin D: Stereoselective Preparation of the C11-C19 Fragment
126. ChemInform Abstract: A New Route to Eremophilanes: Synthesis of (.+-.)-Eremophilenolide (VII), (.+-.)-Eremophiledinone (VI), and (.+-.)-Deoxyeremopetasidione (X).
127. Stereoselective Preparation of C1-C10 and C11-O14 Fragments of Narbonolide: Exploiting the Versatility of Thiazolidinethione Chiral Auxiliary
128. A Cross-Metathesis Approach to the Synthesis of Key Precursor of the Macrolide Core of Rhizoxin D
129. ChemInform Abstract: Dithiocarbamate‐ and CuO‐Promoted One‐Pot Synthesis of 2‐(N‐Substituted)‐aminobenzimidazoles and Related Heterocycles.
130. ChemInform Abstract: Studies Toward the Total Synthesis of (-)-Dictyostatin (I): Stereoselective Preparation of the C1-C10 Fragment.
131. A Stereoselective Synthesis of the Macrolide Core of Migrastatin
132. Studies toward the Total Synthesis of (-)-Dictyostatin: Stereoselective Preparation of the C1-C10 Fragment
133. Application of diazonium chemistry in purine modifications: A focused review.
134. A cross metathesis approach to the synthesis of the C11–C23 fragment of (−)-16-normethyldictyostatin
135. Direct Observation of ESR Spectra of Bicyclic Nine-Membered Enediynes at Ambient Temperature
136. Spin Trapping of13C-Labeledp-Benzynes Generated by Masamune–Bergman Cyclization of Bicyclic Nine-Membered Enediynes
137. Asymmetric Synthesis of Cycloalkenyl and Alkenyloxiranes from Allylic Sulfoximines and Aldehydes and Application to Solid‐Phase Synthesis.
138. Asymmetric Synthesis of Cycloalkenyl and Alkenyloxiranes From Allylic Sulfoximines and Aldehydes and Application to Solid-Phase Synthesis
139. A convergent synthesis of the macrolide core of migrastatin
140. Asymmetric Synthesis of Protected β‐Substituted and β,β‐Disubstituted β‐Amino Acids Bearing Branched Hydroxyalkyl Side Chains and of Protected 1,3‐Amino Alcohols with Three Contiguous Stereogenic Centers from Allylic Sulfoximines and Aldehydes
141. Synthesis of13C-Labeled, Bicyclic Mimetics of Natural Enediynes.
142. Synthesis of 13C-labelled, bicyclic mimetics of natural enediynes
143. Diastereoselective Additions of Ethynyl Grignard Reagent to Erythrulose Derivatives
144. N-Methylsulfonimidoyl-Substituted (2-Alkenyl)titanium Complexes: Application to the Synthesis of β- and δ-Sulfonimidoyl-Substituted Chiral Homoallylic Alcohols, X-ray Crystal Structure Analysis, and Fluxional Behavior
145. Diastereoselective amination of vinylic sulfoximines: application to the asymmetric synthesis of functionalized β-substituted and β,β-disubstituted β-amino acids, and of γ-amino alcohols
146. Photoinduced Electron Transfer (PET) Promoted Oxidative Activation of 1-(N-Benzyl-N-methylglycyl)-(S)-prolinol: Development of Novel Strategies Towards Enantioselective Syntheses of α-Amino Acids, TheirN-Methyl Derivatives and α-Hydroxy Acids Employing (S)-Prolinol as aRecyclable Chiral Auxiliary
147. Sulphuric acid immobilized on silica gel (H2SO4–SiO2) as an eco-friendly catalyst for transamidation.
148. Copper-catalyzed sequential N-arylation of C-amino-A/H-azoles.
149. Synthesis and utilisation of chiral 3-hydroxy perhydropyrrolo [2,1-c] [1,4] oxazin-4-one as a novel precursor for the enantioselective synthesis of α-hydroxy carboxylic acids
150. Enantioselective α-alkylation of piperidine via chiral perhydropyrido [2,1-b] [1,3,4]-oxadiazinone: An easy route for the synthesis of both enantiomers of coniine
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