Pd(II)-Catalyzed ortho-C-H Olefination/Dearomatization of N-Aryl Ureas: An Approach to Imine Derivatives.Org Lett. 2016 Mar 18; 18(6):1426-9.OL
Abstract
An unprecedented approach for the synthesis of imine derivatives was achieved via a Pd(II)-catalyzed dearomatization reaction of N-aryl ureas with internal alkynes. The corresponding spirocyclic imine derivatives were obtained with 20 examples in good to excellent yields. Mechanistic investigation indicated that an interesting 1,3-palladium migration process led to the α-regioselective dearomatization when 2-naphthyl ureas were used as the substrates. Fused ring products could also be obtained to further prove this migration process.
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Pub Type(s)
Journal Article
Research Support, Non-U.S. Gov't
Language
eng
PubMed ID
26934378
Citation
Jiang, Pingping, et al. "Pd(II)-Catalyzed ortho-C-H Olefination/Dearomatization of N-Aryl Ureas: an Approach to Imine Derivatives." Organic Letters, vol. 18, no. 6, 2016, pp. 1426-9.
Jiang P, Xu Y, Sun F, et al. Pd(II)-Catalyzed ortho-C-H Olefination/Dearomatization of N-Aryl Ureas: An Approach to Imine Derivatives. Org Lett. 2016;18(6):1426-9.
Jiang, P., Xu, Y., Sun, F., Liu, X., Li, F., Yu, R., Li, Y., & Wang, Q. (2016). Pd(II)-Catalyzed ortho-C-H Olefination/Dearomatization of N-Aryl Ureas: An Approach to Imine Derivatives. Organic Letters, 18(6), 1426-9. https://doi.org/10.1021/acs.orglett.6b00363
Jiang P, et al. Pd(II)-Catalyzed ortho-C-H Olefination/Dearomatization of N-Aryl Ureas: an Approach to Imine Derivatives. Org Lett. 2016 Mar 18;18(6):1426-9. PubMed PMID: 26934378.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR
T1 - Pd(II)-Catalyzed ortho-C-H Olefination/Dearomatization of N-Aryl Ureas: An Approach to Imine Derivatives.
AU - Jiang,Pingping,
AU - Xu,Yongbao,
AU - Sun,Fuxing,
AU - Liu,Xufei,
AU - Li,Feng,
AU - Yu,Renfu,
AU - Li,Yang,
AU - Wang,Qifeng,
Y1 - 2016/03/02/
PY - 2016/3/3/entrez
PY - 2016/3/5/pubmed
PY - 2016/3/5/medline
SP - 1426
EP - 9
JF - Organic letters
JO - Org Lett
VL - 18
IS - 6
N2 - An unprecedented approach for the synthesis of imine derivatives was achieved via a Pd(II)-catalyzed dearomatization reaction of N-aryl ureas with internal alkynes. The corresponding spirocyclic imine derivatives were obtained with 20 examples in good to excellent yields. Mechanistic investigation indicated that an interesting 1,3-palladium migration process led to the α-regioselective dearomatization when 2-naphthyl ureas were used as the substrates. Fused ring products could also be obtained to further prove this migration process.
SN - 1523-7052
UR - https://www.unboundmedicine.com/medline/citation/26934378/Pd_II__Catalyzed_ortho_C_H_Olefination/Dearomatization_of_N_Aryl_Ureas:_An_Approach_to_Imine_Derivatives_
DB - PRIME
DP - Unbound Medicine
ER -