New Abstracts

Abstracts of articles in the field of organic synthesis,
published in the most highly regarded organic chemistry journals

Sodium Methyl Carbonate as an Effective C1 Synthon. Synthesis of Carboxylic Acids, Benzophenones, and Unsymmetrical Ketones
T. E. Hurst, J. A. Deichert, L. Kapeniak, R. Lee, J. Harris, P. G. Jessop, V. Snieckus, Org. Lett., 2019, 21, 3882-3885.

Development of an Industrial Process Based on the Groebke-Blackburn-Bienaymé Multicomponent Reaction: Efficient Preparation of 3-Aminoimidazo[1,2-a]pyrazines
M. Baenziger, E. Durantie, C. Mathes, Synthesis, 2017, 49, 2266-2274.

Copper-Catalyzed Direct Amination of Benzoxazoles Using Primary Amines as Nitrogen Sources
J. Gu, C. Cai, Synlett, 2015, 26, 639-642.

Regioselective Gold-Catalyzed Hydration of CF₃- and SF₅-alkynes
M. Cloutier, M. Roudias, J.-F. Paquin, Org. Lett., 2019, 21, 3866-3870.

I₂-Catalyzed Oxidative N-S Bond Formation: Metal-Free Regiospecific Synthesis of N-Fused and 3,4-Disubstituted 5-Imino-1,2,4-thiadiazoles
N. Tumula, N. Jatangi, R. K. Palakodety, S. Balasubramanian, M. Nakka, J. Org. Chem., 2017, 82, 5310-5316.

Rhodium-Catalyzed Asymmetric Arylation of Allyl Sulfones under the Conditions of Isomerization into Alkenyl Sulfones
K. M.-H. Lim, T. Hayashi, J. Am. Chem. Soc., 2015, 137, 3201-3204.

Catalytic Staudinger Reduction at Room Temperature
D. C. Lenstra, J. J. Wolf, J. Mecinović, J. Org. Chem., 2019, 84, 6536-6545.

Enantioselective Synthesis of gem-Diaryl Benzofuran-3(2H)-ones via One-Pot Asymmetric Rhodium/Palladium Relay Catalysis
Z.-F. Zhang, D.-X. Zhu, W.-W. Chen, B. Xu, M.-H. Xu, Org. Lett., 2017, 19, 2726-2729.

Cs₂CO₃-Promoted Carboxylation of N-Tosylhydrazones with Carbon Dioxide toward α-Arylacrylic Acids
S. Sun, J.-T. Yu, Y. Jiang, J. Cheng, J. Org. Chem., 2015, 80, 2855-2860.

Synthesis of Alkyl Halides from Aldehydes via Deformylative Halogenation
S. Liang, T. Kumon, R. A. Angnes, M. Sanchez, B. Xu, G. B. Hammond, Org. Lett., 2019, 21, 3848-3854.

Palladium-Catalyzed Intramolecular Arylative Carboxylation of Allenes with CO₂ for the Construction of 3-Substituted Indole-2-carboxylic Acids
Y. Higuchi, T. Mita, Y. Sato, Org. Lett., 2017, 19, 2710-2713.

Direct Synthesis of 2-Aryl-4-quinolones via Transition-Metal-Free Intramolecular Oxidative C(sp³)-H/C(sp³)-H Coupling
W. Hu, J.-P. Lin, L.-R. Song, Y.-Q. Long, Org. Lett., 2015, 17, 1268-1271.

Preparation of Chiral Allenes through Pd-Catalyzed Intermolecular Hydroamination of Conjugated Enynes: Enantioselective Synthesis Enabled by Catalyst Design
N. J. Adamson, H. Jeddi, S. J. Malcolmson, J. Am. Chem. Soc., 2019, 141, 8574-8583.

N-Substituted 3(10H)-Acridones as Visible-Light, Water-Soluble Photocatalysts: Aerobic Oxidative Hydroxylation of Arylboronic Acids
H.-Y. Xie, L.-S. Han, S. Huang, X. Lei, Y. Cheng, W. Zhao, H. Sun, X. Wen, Q.-L. Xu, J. Org. Chem., 2017, 82, 5236-5241.

Potassium Thiocyanate as Source of Cyanide for the Oxidative α-Cyanation of Tertiary Amines
A. Wagner, A. R. Ofial, J. Org. Chem., 2015, 80, 2848-2854.

Synthesis of N-Arylpyrazoles by Palladium-Catalyzed Coupling of Aryl Triflates with Pyrazole Derivatives
S. Onodera, T. Kochi, F. Kakiuchi, J. Org. Chem., 2019, 84, 6508-6515.

Catalytic Anti-Markovnikov Hydroallylation of Terminal and Functionalized Internal Alkynes: Synthesis of Skipped Dienes and Trisubstituted Alkenes
M. Mailig, A. Hazra, M. K. Armstrong, G. Lalic, J. Am. Chem. Soc., 2017, 139, 6969-6977.

1,1'-Methylene-3,3'-bis[(N-(tert-butyl)imidazol-2-ylidene] and Its Effect in Palladium-Catalyzed C-C Coupling
S. Nadri, E. Rafiee, S. Jamali, M. Joshaghani, Synlett, 2015, 26, 619-624.

Trichloroisocyanuric Acid Mediated High-Yielding Synthesis of N-Acylbenzotriazoles under Mild Reaction Conditions
M. Singh, A. S. Singh, N. Mishra, A. K. Agrahari, V. K. Tiwari, Synthesis, 2019, 51, 2183-2190.

Direct Regioselective Synthesis of Tetrazolium Salts by Activation of Secondary Amides under Mild Conditions
V. Tona, B. Maryasin, A. de la Torre, J. Sprachmann, L. González, N. Maulide, Org. Lett., 2017, 19, 2662-2665.

(Z)- or (E)-Selective Hydrogenation of Potassium (3,3,3-Trifluoroprop-1-yn-1-yl)trifluoroborate: Route to Either Isomer of β-Trifluoromethylstyrenes
P. V. Ramachandran, W. Mitsuhashi, Org. Lett., 2015, 17, 1252-1255.

Site-Selective Mono-Oxidation of 1,2-Bis(boronates)
L. Yan, J. P. Morken, Org. Lett., 2019, 21, 3760-3763.

A Heterogeneous Gold(I)-Catalyzed [2 + 2 + 1] Annulation of Terminal Alkynes, Nitriles, and Oxygen Atoms Leading to 2,5-Disubstituted Oxazoles
W. Yang, R. Zhang, F. Yi, M. Cai, J. Org. Chem., 2017, 82, 5204-5211.

Catalyst-Free and Metal-Free Electrophilic Bromoamidation of Unactivated Olefins Using the N-Bromosuccinimide/Sulfonamide Protocol
W. Z. Yu, F. Chen, Y. A. Cheng, Y.-Y. Yeung, J. Org. Chem., 2015, 80, 2815-2821.

Synthesis of Acrylamides via the Doebner-Knoevenagel Condensation
M. J. Zacuto, J. Org. Chem., 2019, 84, 6465-6474.

Light Mediated Preparation of Palladium Nanoparticles as Catalysts for Alkyne cis-Semihydrogenation
F. Mäsing, H. Nüsse, J. Klingauf, A. Studer, Org. Lett., 2017, 19, 2658-2661.

Enantioselective Ruthenium-Catalyzed Carbonyl Allylation via Alkyne-Alcohol C-C Bond-Forming Transfer Hydrogenation: Allene Hydrometalation vs Oxidative Coupling
T. Liang, K. D. Ngyuen, W. Zhang, M. J. Krische, J. Am. Chem. Soc., 2015, 137, 3161-3164.

Synthesis of Exclusively 4-Substituted β-Lactams through the Kinugasa Reaction Utilizing Calcium Carbide
A. Hosseini, P. R. Schreiner, Org. Lett., 2019, 21, 3746-3749.

t-BuONa-Mediated Transition-Metal-Free Autoxidation of Diarylmethanes to Ketones
J.-S. Li, F. Yang, Q. Yang, Z.-W. Li, Z.-Q. Chen, Y.-D. Da, P.-M. Huang, C. Chen, Y. Zhang, L-Z. Huang, Synlett, 2017, 28, 994-998.

One-Pot Synthesis of 3,4,5-Trisubstituted 1,2,4-Triazoles via the Addition of Hydrazides to Activated Secondary Amides
W. S. Bechara, I. S. Khazhieva, E. Rodriguez, A. B. Charette, Org. Lett., 2015, 17, 1184-1187.

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