Diastereoselective C-alkylation of aldimines, derived from chiral α-carbon heteroatom-substituted aldehydes, with triethylborane. Application to the synthesis of benzylisoquinolines
作者:David Fuentes-Ríos、Carmen Muñoz、Amelia Díaz、Francisco Sarabia、J. Manuel López-Romero
DOI:10.1039/d3ra01397a
日期:——
aliphatic amines, good yields and moderate to high diastereoselectivity are obtained: yields are significantly better when the preformed imine is used in the reaction with triethyl borane, and diastereoselectivity of the reactions largely depends on the structure of the chiral aliphatic amine. The methodology is successfully applied to the synthesis of romneine, a natural benzylisoquinoline.
Brozda, D., Polish Journal of Chemistry, 1994, vol. 68, # 12, p. 2665 - 2670
作者:Brozda, D.
DOI:——
日期:——
Identification of N-benzyltetrahydroisoquinolines as novel anti-neuroinflammatory agents
作者:Brian Gabet、Ping-Chang Kuo、Steven Fuentes、Yamini Patel、Ahmed Adow、Mary Alsakka、Paula Avila、Teri Beam、Jui-Hung Yen、Dennis A. Brown
DOI:10.1016/j.bmc.2018.10.020
日期:2018.11
A series of simplified berberine analogs was designed, synthesized, and evaluated for anti-inflammatory activity. SAR studies identified N-benzyltetrahydroisoquinoline 7d as a potent berberine analog. 7d suppressed LPS-induced inflammatory cytokine levels in both BV2 cells and primary microglia. Taken together, our results suggest that simplified BB analogs have therapeutic potential as a novel class of anti-neuroinflammatory agents.
Haworth; Perkin; Rankin, Journal of the Chemical Society, 1925, vol. 127, p. 2018,2020
作者:Haworth、Perkin、Rankin
DOI:——
日期:——
Total Synthesis of Tetrahydroisoquinoline-Based Bioactive Natural Products Laudanosine, Romneine, Glaucine, Dicentrine, and Their Unnatural Analogues Isolaudanosine and Isoromneine
作者:Narshinha Argade、Ravi Jangir
DOI:10.1055/s-0036-1588920
日期:——
Abstract Starting from suitably substituted homophthalic acids, total synthesis of titled alkaloids have been demonstrated in very good yields. The obtained natural products laudanosine and romneine were utilized to accomplish synthesis of two isoquinoline-based alkaloids glaucine and dicentrine. Base-induced selective generation of two different types of benzylic carbanions, their coupling reactions