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A novel strategy for the functionalization and design of 4-methylene-4H-pyran merocyanines via enamination and 1,8-conjugate addition. Dmitrii L. Obydennov, Alena E. Simbirtseva, Alexander S. Shirinkin, Mikhail Y. Kornev, Vyacheslav Y. Sosnovskikh , Org. Biomol. Chem. , 2023 , 21 , 600

Simple access to 5-carboalkoxy-2,3-dihydro-4H-pyran-4-ones via domino acylative electrocyclization: the first three step total synthesis of the dihydronaphthopyran-4-one class of natural products. Andivelu Ilangovan, Palaniappan Sakthivel , RSC Adv. , 2014 , 4 , 55150

Substituent effects on the 4π + 2π cycloadditions of 4H-pyran-4-one derivatives. Mónika Rudas, Imre Fejes, Miklós Nyerges, Áron Szöllõsy, László Tõke, Paul W. Groundwater , J. Chem. Soc., Perkin Trans. 1 , 1999 , 1167

Synthesis and reactions of reduced flavones . W. Groundwater, E. Hibbs, B. Hursthouse, Miklós Nyerges , J. Chem. Soc., Perkin Trans. 1 , 1997 , 163

Heterogeneous ditopic ZnFe2O4 catalyzed synthesis of 4H-pyrans: further conversion to 1,4-DHPs and report of functional group interconversion from amide to ester. Paramita Das, Arghya Dutta, Asim Bhaumik, Chhanda Mukhopadhyay , Green Chem. , 2014 , 16 , 1426

Mechanofluorochromic properties of fluorescent molecules based on a dicyanomethylene-4H-pyran and indole isomer containing different alkyl chains via an alkene module. Lebin Qian, Yibin Zhou, Miaochang Liu, Xiaobo Huang, Ge Wu, Wenxia Gao, Jinchang Ding, Huayue Wu , RSC Adv. , 2017 , 7 , 42180

Reversible photochromic properties of 4,5,6-triaryl-4H-pyran derivatives in a solid state. Yufeng Xie, Zhiqiang Wang, Dan Wang, Yunbing Zhou, Yunxiang Lei, Wenxia Gao, Miaochang Liu, Xiaobo Huang, Huayue Wu , Mater. Chem. Front. , 2021 , 5 , 3413

Beyond enzymatic promiscuity: asymmetric induction by l-proline on lipase catalyzed synthesis of polyfunctionalized 4H-pyrans. Pranjal P. Bora, Manisha Bihani, Ghanashyam Bez , RSC Adv. , 2015 , 5 , 50597

Synthesis of spiroindenopyridazine-4H-pyran derivatives using Cr-based catalyst complexes supported on KCC-1 in aqueous solution. Rahele Zhiani, Seyed Mohsen Sadeghzadeh, Shokufe Emrani , RSC Adv. , 2018 , 8 , 6259

Identification of 2-subsituted benzothiazole derivatives as triple-functional agents with potential for AD therapy. Liu Jiang, Minkui Zhang, Li Tang, Qinjie Weng, Yanhong Shen, Yongzhou Hu, Rong Sheng , RSC Adv. , 2016 , 6 , 17318