Asymmetric Roadmap to Diverse Polycyclic Benzopyrans via Phosphine-Catalyzed Enantioselective [4 + 2]-Annulation Reaction
Adithi Danda
1, 2
,
Naredla Kesava Reddy
1
,
Christopher Golz
2
,
Carsten Strohmann
2
,
Kamal Kumar
1
Publication type: Journal Article
Publication date: 2016-05-17
scimago Q1
wos Q1
SJR: 1.235
CiteScore: 8.7
Impact factor: 5.0
ISSN: 15237060, 15237052
PubMed ID:
27187586
Organic Chemistry
Biochemistry
Physical and Theoretical Chemistry
Abstract
The catalytic addition of the amino acid derived bifunctional N-acylaminophosphine to an α-substituted allene ester generated a zwitterionic dipole that engaged the vinylogous ester function of 3-cyano-chromones in a [4 + 2] annulation reaction to deliver tetrahydroxanthones embodying three consecutive chiral centers in high yields and with excellent enantioselectivities. The established asymmetric synthesis further paves the way to two different classes of complex, sp(3)-rich tetracyclic benzopyrans via efficient cascade reactions.
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Total citations:
47
Citations from 2024:
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(6.52%)
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GOST
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Danda A. et al. Asymmetric Roadmap to Diverse Polycyclic Benzopyrans via Phosphine-Catalyzed Enantioselective [4 + 2]-Annulation Reaction // Organic Letters. 2016. Vol. 18. No. 11. pp. 2632-2635.
GOST all authors (up to 50)
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Danda A., Kesava Reddy N., Golz C., Strohmann C., Kumar K. Asymmetric Roadmap to Diverse Polycyclic Benzopyrans via Phosphine-Catalyzed Enantioselective [4 + 2]-Annulation Reaction // Organic Letters. 2016. Vol. 18. No. 11. pp. 2632-2635.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/acs.orglett.6b01030
UR - https://doi.org/10.1021/acs.orglett.6b01030
TI - Asymmetric Roadmap to Diverse Polycyclic Benzopyrans via Phosphine-Catalyzed Enantioselective [4 + 2]-Annulation Reaction
T2 - Organic Letters
AU - Danda, Adithi
AU - Kesava Reddy, Naredla
AU - Golz, Christopher
AU - Strohmann, Carsten
AU - Kumar, Kamal
PY - 2016
DA - 2016/05/17
PB - American Chemical Society (ACS)
SP - 2632-2635
IS - 11
VL - 18
PMID - 27187586
SN - 1523-7060
SN - 1523-7052
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2016_Danda,
author = {Adithi Danda and Naredla Kesava Reddy and Christopher Golz and Carsten Strohmann and Kamal Kumar},
title = {Asymmetric Roadmap to Diverse Polycyclic Benzopyrans via Phosphine-Catalyzed Enantioselective [4 + 2]-Annulation Reaction},
journal = {Organic Letters},
year = {2016},
volume = {18},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021/acs.orglett.6b01030},
number = {11},
pages = {2632--2635},
doi = {10.1021/acs.orglett.6b01030}
}
Cite this
MLA
Copy
Danda, Adithi, et al. “Asymmetric Roadmap to Diverse Polycyclic Benzopyrans via Phosphine-Catalyzed Enantioselective [4 + 2]-Annulation Reaction.” Organic Letters, vol. 18, no. 11, May. 2016, pp. 2632-2635. https://doi.org/10.1021/acs.orglett.6b01030.