The clean and mild synthesis, crystal structure, and intra-molecular hydrogen bond study of substituted new 4,8-dihydropyrano[3,2-b]-pyrans containing chlorokojic acid moiety

Aghbash, Khadijeh Ojaghi; Pesyan, Nader Noroozi; Marandi, Ghasem; DEGE, NECMİ; Şahin, Ertan

doi:10.1007/s11164-019-03848-7

Makale Tam Makale Uluslararası 2019

The clean and mild synthesis, crystal structure, and intra-molecular hydrogen bond study of substituted new 4,8-dihydropyrano[3,2-b]-pyrans containing chlorokojic acid moiety

Khadijeh Ojaghi Aghbash, Nader Noroozi Pesyan, Ghasem Marandi, NECMİ DEGE, Ertan Şahin

RESEARCH ON CHEMICAL INTERMEDIATES Cilt 45 · Sayı 9 · ss. 4543–4554 · 01.09.2019

DOI ile aç

Özet

A safe, green and convenient process was developed for the synthesis of a novel group of 4,8-dihydropyrano[3,2-b]-pyrans by dialkyl acetylenedicarboxylates and alkyl isocyanides being trapped by chlorokojic acid in good to excellent yields at ambient temperature. Characterization of all structures was carried out by FT-IR and H-1 and C-13 NMR spectrometers, and two compounds were analyzed using X-ray diffraction technique. Crystal structures showed an intramolecular hydrogen bond and stacking of the dimeric (RS) molecules with the unit cell along the a-axis.

Anahtar kelimeler

DERIVATIVES anticonvulsant 4 ISOCYANIDES Chlorokojic acid Acetylene esters Nucleophilic addition 4H-Pyran 8-Dihydropyrano[3 2-b]-pyran Intramolecular H bond Inversion dimers

Atıf için künye

Aghbash, K. O., Pesyan, N. N., Marandi, G., DEGE, N., & Şahin, E. (2019). The clean and mild synthesis, crystal structure, and intra-molecular hydrogen bond study of substituted new 4,8-dihydropyrano[3,2-b]-pyrans containing chlorokojic acid moiety. RESEARCH ON CHEMICAL INTERMEDIATES, 45(9), 4543–4554. https://doi.org/10.1007/s11164-019-03848-7

BibTeX

@article{aghbash2019-66655,
  author = {Aghbash, Khadijeh Ojaghi and Pesyan, Nader Noroozi and Marandi, Ghasem and DEGE, NECMİ and Şahin, Ertan},
  title = {The clean and mild synthesis, crystal structure, and intra-molecular hydrogen bond study of substituted new 4,8-dihydropyrano[3,2-b]-pyrans containing chlorokojic acid moiety},
  journal = {RESEARCH ON CHEMICAL INTERMEDIATES},
  year = {2019},
  volume = {45},
  number = {9},
  pages = {4543--4554},
  issn = {0922-6168},
  doi = {10.1007/s11164-019-03848-7},
  url = {https://akademik.atauni.edu.tr/yayinlar/66655-the-clean-and-mild-synthesis-crystal-structure-and-intra-molecular-hydrogen-bond}
}