I2-DMSO mediated tetra-functionalization of enaminones for the construction of novel furo[2′,3′:4,5]pyrimido[1,2-b]indazole skeletons via in situ capture of ketenimine cations

Authors: Zhou, You ^a, Wang, Li-Sheng ^a, Lei, Shuang-Gui ^a, Tang, Bo-Cheng ^c, Yu, Zhi-Cheng ^a, Li, Xing ^a, Wu, Yan-Dong ^a, Zheng, Kai-Lu ^{b, ⁎}, Wu, An-Xin ^{a, ⁎}

Source: In Chinese Chemical Letters January 2025 36(1)

Direct Introduction of −OCD3 into the Hantzsch Pyrrole Synthesis via Multicomponent Cascade Cyclization: Synthesis of Fully Substituted Pyrrole Derivatives

Authors: Wang, Li‐Sheng, Zhou, You, Lei, Shuang‐Gui, Tang, Bo‐Cheng, Yu, Zhi‐Cheng, Tang, Yong‐Xing, Wu, Yan‐Dong, Wu, An‐Xin

Source: Advanced synthesis & catalysis. 365(17):2888-2893

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100196413145.0x000001&indx=1&recIds=ETOCvdc_100196413145.0x000001

I2-DMSO mediated dual α, β-C(sp2)–H functionalization/bicyclization of o-hydroxyphenyl enaminones to construct C2, C3-disubstituted chromone derivatives: chromeno[2, 3-b]pyrrol-4(1H)-onesElectronic supplementary information (ESI) available: Crystallographic data for 4d (CIF), experimental procedures, product characterization, and copies of the 1H, 13C and 19F NMR spectra. CCDC 2265550. For ESI and crystallographic data in CIF or other electronic format see DOI: https://doi.org/10.1039/d3qo01149f

Authors: Lei, Shuang-Gui, Zhou, You, Wang, Li-Sheng, Yu, Zhi-Cheng, Chen, Ting, Wu, Yan-Dong, Gao, Meng, Wu, An-Xin

Source: Organic chemistry frontiers. 10(19):4843-4847

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100194207635.0x000001&indx=1&recIds=ETOCvdc_100194207635.0x000001

One Stone, Three Birds: One-Pot Synthesis of Pyrido[3, 2-a]phenoxazin-5-one Derivatives from o-Aminophenols with Triple Roles, Paraformaldehyde, and Enaminones via the Povarov Reaction

Authors: Lei, Shuang-Gui, Zhou, You, Wang, Li-Sheng, Yu, Zhi-Cheng, Chen, Ting, Wu, Yan-Dong, Gao, Meng, Wu, An-Xin

Source: Journal of organic chemistry. 88(15):11150-11160

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN633396862&indx=1&recIds=ETOCRN633396862

Modular and selective synthesis of pyrazolo-azepino-centred polycyclic aromatic and non-aromatic architecturesElectronic supplementary information (ESI) available: General procedure for the synthesis of 4 and 5, detailed reaction condition optimization, detailed mechanistic studies, crystallographic data for 4b and 5a, 1H and 13C NMR data and copies of the spectra. CCDC 2257020 and 2257022. For ESI and crystallographic data in CIF or other electronic format see DOI: https://doi.org/10.1039/d3qo00836c

Authors: Chen, Ting, Ma, Jin-Tian, Chen, Xiang-Long, Zhou, You, Yu, Zhi-Cheng, Lei, Shuang-Gui, Wu, Yan-Dong, Xiang, Jia-Chen, Wu, An-Xin

Source: Organic chemistry frontiers. 10(16):4122-4130

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100190049190.0x000001&indx=1&recIds=ETOCvdc_100190049190.0x000001

I~2-Promoted gem-Diarylethene Involved Aza-Diels—Alder Reaction and Wagner—Meerwein Rearrangement: Construction of 2, 3, 4-Trisubstituted Pyrimido[1, 2-b]indazole Skeletons

Authors: Zhou, You, Lei, Shuang-Gui, Wang, Li-Sheng, Ma, Jin-Tian, Yu, Zhi-Cheng, Wu, Yan-Dong, Wu, An-Xin

Source: Organic letters. 25(19):3386-3390

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN632650242&indx=1&recIds=ETOCRN632650242

I2-Promoted site-selective C–C bond cleavage of aryl methyl ketones as C1 synthons for constructing 5-acyl-1H-pyrazolo[3, 4-b]pyridinesElectronic supplementary information (ESI) available. CCDC 2158056 and 2165134. For ESI and crystallographic data in CIF or other electronic format see DOI: https://doi.org/10.1039/d2qo00676f

Authors: Zhou, You, Wang, Li-Sheng, Lei, Shuang-Gui, Gao, Yun-Xiang, Ma, Jin-Tian, Yu, Zhi-Cheng, Wu, Yan-Dong, Wu, An-Xin

Source: Organic chemistry frontiers. 9(16):4416-4420

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100157400358.0x000001&indx=1&recIds=ETOCvdc_100157400358.0x000001

Transforming an azaarene into the spine of fusedbicyclics via cycloaddition-induced scaffold hopping of 5-Hydroxypyrazoles.

Authors: Zhou, You, Lei, Shuang-Gui, Abudureheman, Baihetiguli, Wang, Li-Sheng, Yu, Zhi-Cheng, Xiang, Jia-Chen, Wu, An-Xin

Source: Nature Communications; 12/30/2024, Vol. 15 Issue 1, p1-10, 10p

Subject Terms: SCISSION (Chemistry), HETEROARENES, PYRAZOLES, HETEROCYCLIC compounds, SPINE

Direct Introduction of −OCD3 into the Hantzsch Pyrrole Synthesis via Multicomponent Cascade Cyclization: Synthesis of Fully Substituted Pyrrole Derivatives.

Authors: Wang, Li‐Sheng, Zhou, You, Lei, Shuang‐Gui, Tang, Bo‐Cheng, Yu, Zhi‐Cheng, Tang, Yong‐Xing, Wu, Yan‐Dong, Wu, An‐Xin

Source: Advanced Synthesis & Catalysis; 9/5/2023, Vol. 365 Issue 17, p2888-2893, 6p

Subject Terms: PYRROLES, PYRROLE derivatives, RING formation (Chemistry), METHYL ketones, ANILINE

One Stone, Three Birds: One-Pot Synthesis of Pyrido[3,2‑a]phenoxazin-5-one Derivatives from o‑Aminophenols with Triple Roles, Paraformaldehyde, and Enaminones via the Povarov Reaction.

Authors: Lei, Shuang-Gui, Zhou, You, Wang, Li-Sheng, Yu, Zhi-Cheng, Chen, Ting, Wu, Yan-Dong, Gao, Meng, Wu, An-Xin

Source: Journal of Organic Chemistry; 8/4/2023, Vol. 88 Issue 15, p11150-11160, 11p

I2‑Promoted gem-Diarylethene Involved Aza-Diels–Alder Reaction and Wagner–Meerwein Rearrangement: Construction of 2,3,4-Trisubstituted Pyrimido[1,2‑b]indazole Skeletons.

Authors: Zhou, You, Lei, Shuang-Gui, Wang, Li-Sheng, Ma, Jin-Tian, Yu, Zhi-Cheng, Wu, Yan-Dong, Wu, An-Xin

Source: Organic Letters; 5/19/2023, Vol. 25 Issue 19, p3386-3390, 5p

I2-Promoted gem-Diarylethene Involved Aza-Diels–Alder Reaction and Wagner–Meerwein Rearrangement: Construction of 2,3,4-Trisubstituted Pyrimido[1,2-b]indazole Skeletons

Authors: Zhou, You, Lei, Shuang-Gui, Wang, Li-Sheng, Ma, Jin-Tian, Yu, Zhi-Cheng, Wu, Yan-Dong, Wu, An-Xin

Source: Organic Letters; May 2023, Vol. 25 Issue: 19 p3386-3390, 5p

I2-DMSO mediated tetra-functionalization of enaminones for the construction of novel furo[2′,3′:4,5]pyrimido[1,2-b]indazole skeletons via in situcapture of ketenimine cations

Authors: Zhou, You, Wang, Li-Sheng, Lei, Shuang-Gui, Tang, Bo-Cheng, Yu, Zhi-Cheng, Li, Xing, Wu, Yan-Dong, Zheng, Kai-Lu, Wu, An-Xin

Source: Chinese Chemical Letters; January 2025, Vol. 36 Issue: 1

Iodine-Mediated Multicomponent Cascade Cyclization and Sulfenylation/Selenation: Synthesis of Imidazo[2,1‑a]isoquinoline Derivatives.

Authors: Wang, Li-Sheng, Zhou, You, Lei, Shuang-Gui, Yu, Xiao-Xiao, Huang, Chun, Wu, Yan-Dong, Wu, An-Xin

Source: Organic Letters; 6/24/2022, Vol. 24 Issue 24, p4449-4453, 5p