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Volume 97 (2020)
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1
Preparation of 1H-Indazole-3-carbonitrile
Yonggang Chen, Qinghao Chen, Lushi Tan, Lu Chen, and Xiaowei Wang
Org. Synth. 2020, 97, 314
DOI: 10.15227/orgsyn.097.0314
Checked by: Yuma Komori, Masanori Nagatomo, and Masayuki Inoue

Reaction scheme
2
Oxidation of Aldehydes to Nitriles with an Oxoammonium Salt: Preparation of Piperonylonitrile
Nathaniel D. Kaetzel, Kyle M. Lambert, and Christopher B. Kelly
Org. Synth. 2020, 97, 294
DOI: 10.15227/orgsyn.097.0294
Checked by: Roberts and Richmond Sarpong

Reaction scheme
3
Preparation of Asymmetric Phase-transfer Catalyst, 1,4-Bis((4S,5S)-1,3-bis(3,5-di-tert-butylbenzyl)-4,5-diphenylimidazolidin-2-ylidene)piperazine-1,4-diium chloride
Esther Cai Xia Ang, Xinyi Ye, and Choon-Hong Tan
Org. Synth. 2020, 97, 274
DOI: 10.15227/orgsyn.097.0274
Checked by: Prasanth R. Nyalapatla, Hari P. R. Mangunuru, Gopal Sirasani, Joseph Armstrong, and Chris Senanayake

Reaction scheme
4
Stereoselective Synthesis of Chiral Sulfinamide Monophosphine Ligands (Ming-Phos)(S, Rs)-M
Anjing Hu, Zhan-Ming Zhang, Yuanjing Xiao, and Junliang Zhang
Org. Synth. 2020, 97, 262
DOI: 10.15227/orgsyn.097.0262
Checked by: Anji Chen, Gopal Sirasani, Joseph Armstrong, and Chris Senanayake

Reaction scheme
5
Anhydrous, Homogeneous, Suzuki-Miyaura Cross-Coupling of Boronic Esters using Potassium Trimethylsilanolate
Connor P. Delaney, Ethan M. Heyboer, and Scott E. Denmark
Org. Synth. 2020, 97, 245
DOI: 10.15227/orgsyn.097.0245
Checked by: Yujia Tao and Sarah Reisman

Reaction scheme
6
Discussion Addendum for: Synthesis of Substituted Indazoles via [3 + 2] Cycloaddition of Benzyne and Diazo Compounds
Anton V. Dubrovskiy and Richard C. Larock
Org. Synth. 2020, 97, 232
DOI: 10.15227/orgsyn.097.0232
Original Article: Org. Synth. 2010, 87, 95

Reaction scheme
7
Preparation of a Z-Iodoalkene through Stork-Zhao-Wittig Olefination, Stereo-retentive Lithium-iodine Exchange and Z-Boronic acid Pinacol Ester Synthesis
Mathieu A. Morin, Samantha Rohe, Cecile Elgindy, and Michael S. Sherburn
Org. Synth. 2020, 97, 217
DOI: 10.15227/orgsyn.097.0217
Checked by: Alexander Preinfalk, Martin Berger, and Nuno Maulide

Reaction scheme
8
Preparation of O-Pivaloyl Hydroxylamine Triflic Acid
Szabolcs Makai, Eric Falk, and Bill Morandi
Org. Synth. 2020, 97, 207
DOI: 10.15227/orgsyn.097.0207
Checked by: Zhaobin Han and Kuiling Ding

Reaction scheme
9
Synthesis of 2,5-Diaryloxadiazinones
Andrew V. Kelleghan, Katie A. Spence, and Neil K. Garg
Org. Synth. 2020, 97, 189
DOI: 10.15227/orgsyn.097.0189
Checked by: Edward Jin, Kyan D'Angelo, and Mohammad Movassaghi

Reaction scheme
10
Synthesis of Chiral Bisoxazoline Ligands: (3aR,3a'R,8aS,8a'S)-2,2'-(cyclopropane-1,1-diyl)bis(3a,8a-dihydro-8H-indeno[1,2-d]oxazole)
L. Hofstra, Travis J. DeLano, and Sarah E. Reisman
Org. Synth. 2020, 97, 172
DOI: 10.15227/orgsyn.097.0172
Checked by: Sergio Cuesta-Galisteo, Jorge A. González, and Cristina Nevado

Reaction scheme
11
Synthesis of α-Bromoacetyl MIDA Boronate
C. Frank Lee, Chieh-Hung Tien, Shinya Adachi, and Andrei K. Yudin
Org. Synth. 2020, 97, 157
DOI: 10.15227/orgsyn.097.0157
Checked by: Zhaobin Han and Kuiling Ding

Reaction scheme
12
From 5-Hydroxynicotinic Acid to Nitrogenous (4+3)-Cycloadducts
Alexander S. Harmata and Michael Harmata
Org. Synth. 2020, 97, 139
DOI: 10.15227/orgsyn.097.0139
Checked by: Feng Peng and Kevin Campos

Reaction scheme
13
Discussion Addendum for: Pd-Catalyzed External-CO-Free Carbonylation: Preparation of 2,4,6-Trichlorophenyl 3,4-Dihydronaphthalene-2-Carboxylate
Hideyuki Konishi and Kei Manabe
Org. Synth. 2020, 97, 125
DOI: 10.15227/orgsyn.097.0125
Original Article: Org. Synth. 2014, 91, 39

Reaction scheme
14
Synthesis of 4-Nitrophenyl (2,2,6,6-Tetramethylpiperidin-1-yl) Carbonate (NPTC) for N-Protection of l-Phenylalanine Ethyl Ester
Joseph R. Lizza and Peter Wipf
Org. Synth. 2020, 97, 96
DOI: 10.15227/orgsyn.097.0096
Checked by: Kensuke Miura, Hiroaki Itoh, and Masayuki Inoue

Reaction scheme
15
Discussion Addendum for: (S)-(-)-2-Allylcyclohexanone (2-Allylcyclohexan-1-one]
Manfred Braun
Org. Synth. 2020, 97, 79
DOI: 10.15227/orgsyn.097.0079
Original Article: Org. Synth. 2009, 86, 47

Reaction scheme
16
Discussion Addendum for: Dibenzo[a,e]cyclooctene: Multigram Synthesis of a Bidentate Ligand
Günter Helmchen
Org. Synth. 2020, 97, 66
DOI: 10.15227/orgsyn.097.0066
Original Article: Org. Synth. 2012, 89, 55

Reaction scheme
17
Scalable Preparation of O-(Diphenylphosphinyl) hydroxylamine (DPPH)
Tamas Benkovics, Andrew J. Neel, Ralph Zhao, and Gregory J. Hughes
Org. Synth. 2020, 97, 54
DOI: 10.15227/orgsyn.097.0054
Checked by: Vinicius F. Armelin, Tony Z. Scott, and Mohammad Movassaghi

Reaction scheme
18
Preparation of (-)-Levoglucosenone from Cellulose Using Sulfuric Acid in Polyethylene Glycol
J. Klepp, W. Dillon, Y. Lin, P. Feng,& and B. W. Greatrex
Org. Synth. 2020, 97, 38
DOI: 10.15227/orgsyn.097.0038
Checked by: Yusuke Imamura, Masanori Nagatomo, and Masayuki Inoue

Reaction scheme
19
Synthesis of 3,6-Bis(dimethylamino)-9H-xanthen-9-one by Stepwise Chemical Redox Cycling
James L. Bachman, Cyprian I. Pavlich, and Eric V. Anslyn
Org. Synth. 2020, 97, 21
DOI: 10.15227/orgsyn.097.0021
Checked by: Jacob E. Dander, Katie A. Spence, and Neil K. Garg

Reaction scheme
20
Deaminative Functionalization of Primary Sulfonamides
Patrick S. Fier and Kevin M. Maloney
Org. Synth. 2020, 97, 12
DOI: 10.15227/orgsyn.097.0012
Checked by: Melissa A. Hardy and Richmond Sarpong

Reaction scheme
21
Discussion Addendum for: Synthesis of Arylboronic Pinacol Esters from Corresponding Arylamines
Fanyang Mo, Di Qiu and Jianbo Wang
Org. Synth. 2020, 97, 1
DOI: 10.15227/orgsyn.097.0001
Original Article: Org. Synth. 2014, 91, 106

Reaction scheme

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All procedures and characterization data in OrgSyn are peer-reviewed and checked for reproducibility in the laboratory of a member of the Board of Editors
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