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Huseyin Erguven, Cuihan Zhou and Bruce A. Arndtsen

Chem. Sci., 2021, 12, 15077
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Intramolecular cycloaddition of nitrones in total synthesis of natural products

Satoshi Yokoshima

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Nitrone and Alkyne Cascade Reactions for Regio‐ and Diastereoselective 1‐Pyrroline Synthesis

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Angewandte Chemie, 2021, 133, 13199
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One-Pot Transformation of Furans into 1-Azaspirocyclic Alkaloid Frameworks Induced by Visible Light

Stela Hoxha, Dimitris Kalaitzakis, Artemis Bosveli, Tamsyn Montagnon and Georgios Vassilikogiannakis

Org. Lett., 2021, 23, 5354
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Construction of NH‐Unprotected Spiropyrrolidines and Spiroisoindolines by [4+1] Cyclizations of γ‐Azidoboronic Acids with Cyclic N‐Sulfonylhydrazones

Lucía López, María‐Paz Cabal and Carlos Valdés

Angew Chem Int Ed, 2022, 61
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Silver‐Catalyzed Tandem Cyclization for Syntheses of Azaoxa‐ and Diazaspirocycles**

Momoka Shimaoka and Masahiro Sai

Eur J Org Chem, 2023, 26
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Pd-Catalyzed Dearomative Functionalizations of Benzyl and Aryl Electrophiles

Hiroki Kato, Kei Muto and Junichiro Yamaguchi

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Cis-Selective Double Spirocyclization via Dearomatization and Isomerization under Thermodynamic Control

Hiromasa Yokoe, Akiko Kiriyama, Miho Shimoda, Satoru Nakajima, Yuna Hashizume, Yuto Endo, Ryoko Iwamoto, Masayoshi Tsubuki and Naoki Kanoh

J. Org. Chem., 2023, 88, 1803
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Modular Synthesis of Polar Spirocyclic Scaffolds Enabled by Radical Chemistry

Khadijah Anwar, Francisco José Aguilar Troyano, Ayham H. Abazid, Oumayma El Yarroudi, Ignacio Funes-Ardoiz and Adrián Gómez-Suárez

Org. Lett., 2023, 25, 3216
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Synthesis of Spirocyclic Pyrrolidine Compounds via Silver-Catalyzed Asymmetric [3 + 2] Cycloaddition Reaction of Imino Esters with α-Alkylidene Succinimides

Ayana Inoue, Kenya Hosono, Shohei Furuya and Shin-ichi Fukuzawa

J. Org. Chem., 2024, 89, 1249
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Convergent Azaspirocyclization of Bromoarenes with N-Tosylhydrazones by a Palladium Catalyst

Aika Yanagimoto, Yota Uwabe, Qikun Wu, Kei Muto and Junichiro Yamaguchi

ACS Catal., 2021, 11, 10429
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Multicomponent Direct Assembly of N-Heterospirocycles Facilitated by Visible-Light-Driven Photocatalysis

Oliver M. Griffiths and Steven V. Ley

J. Org. Chem., 2022, 87, 13204
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Dearomatization of Halonaphthols via an Intermolecular [4＋1] Spiroannulation with in situ Formed Aza-ortho-quinone Methides

Junxiu Liang, Yazhou Liu, Amu Wang, Yanchao Wu, Xiaofeng Ma and Huijing Li

Chinese Journal of Organic Chemistry, 2023, 43, 3888
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Stereoselective Gold(I)‐Catalyzed Vinylcyclopropanation via Generation of a Sulfur‐Substituted Vinyl Carbene Equivalent

Tengrui Yuan, Bram Ryckaert, Kristof Van Hecke, Jan Hullaert and Johan M. Winne

Angewandte Chemie, 2021, 133, 4116
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Nitrone and Alkyne Cascade Reactions for Regio‐ and Diastereoselective 1‐Pyrroline Synthesis

Guanqun Zhang, Abdullah S. Alshreimi, Laura Alonso, Alan Antar, Hsien‐Cheng Yu, Shahidul M. Islam and Laura L. Anderson

Angew Chem Int Ed, 2021, 60, 13089
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Gold(I)-Catalyzed Cyclization–3-Aza-Cope–Mannich Cascade and Its Application to the Synthesis of Cephalotaxine

Takeo Sakai, Chise Okumura, Masatoshi Futamura, Naotaka Noda, Akari Nagae, Chiharu Kitamoto, Madoka Kamiya and Yuji Mori

Org. Lett., 2021, 23, 4391
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exo′‐Selective Construction of Spirobipyrrolidines by the Silver‐catalyzed Asymmetric [3+2] Cycloaddition of Imino Esters with 4‐Benzylidene‐2,3‐dioxopyrrolidines

Shohei Furuya, Kazuya Kanemoto and Shin‐ichi Fukuzawa

Chemistry An Asian Journal, 2022, 17
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Stereoselective Gold(I)‐Catalyzed Vinylcyclopropanation via Generation of a Sulfur‐Substituted Vinyl Carbene Equivalent

Tengrui Yuan, Bram Ryckaert, Kristof Van Hecke, Jan Hullaert and Johan M. Winne

Angew Chem Int Ed, 2021, 60, 4070
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New Methods for the Synthesis of Spirocyclic Cephalosporin Analogues

Alan Zhao, Louise Horsfall and Alison Hulme

Molecules, 2021, 26, 6035
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Palladium-Catalysed Spiro-Cyclisation of Substituted Amino Acids with Maleimides via γ-C(sp3)–H Bond Activation

Trisha Chakraborty and Masilamani Jeganmohan

Org. Lett., 2025, 27, 3521
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Palladium-Catalyzed Aerobic Oxidative Spirocyclization of Alkyl Amides with Maleimides via β-C(sp3)–H Activation

Ananya Dutta and Masilamani Jeganmohan

Org. Lett., 2023, 25, 6305
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α,β-Epoxy Ketone Rearrangements for the Practical Synthesis of Cephalotaxine and the Stereodivergent Synthesis of Azaspiro Allylic Alcohols

Cui-Cui Wang, Huai-Yuan Yang, Chang Liu, Yu-Mo Geng, Xiao-Bin Yang, Dong-Sheng Xu, Shouxin Liu, Juan Wang, Pengfei Jia and Zhi-Wei Zhang

J. Org. Chem., 2024, 89, 18515
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Concise Synthesis of (±)‐Fortuneicyclidins and (±)‐Cephalotine B Enabled by Pd‐Catalyzed Dearomative Spirocyclization**

Yota Uwabe, Kei Muto and Junichiro Yamaguchi

Chemistry A European J, 2023, 29
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Recent Total Syntheses of Cephalotaxine‐Type Alkaloids (2016–2021)

Hongjun Jeon

Asian J Org Chem, 2021, 10, 3052
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Construction of NH‐Unprotected Spiropyrrolidines and Spiroisoindolines by [4+1] Cyclizations of γ‐Azidoboronic Acids with Cyclic N‐Sulfonylhydrazones

Lucía López, María‐Paz Cabal and Carlos Valdés

Angewandte Chemie, 2022, 134
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Catalytic Asymmetric Synthesis of Atropisomeric Nitrones: Versatile Intermediate for Axially Chiral Biaryls

Wenjing Guo, Jian Gu and Zhenhua Gu

Org. Lett., 2020, 22, 7622
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Concise Unified Access to (−)-8-Deoxy-13-dehydroserratinine, (+)-Fawcettimine, (+)-Fawcettidine, and (−)-8-Deoxyserratinine Using a Direct Intramolecular Reductive Coupling

Lin-Rui Zhong, Bing-Bing Huang, Xiao-Liang Yang, Shaozhong Wang and Zhu-Jun Yao

Org. Lett., 2021, 23, 3578
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