Literature DB >> 10970304

Hydrogen-atom Abstraction/Cyclization in synthesis. Direct syntheses of coumestan and coumestrol

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Abstract

The synthesis of coumestrol has been achieved in five steps from 1, 3-dimethoxybenzene. The key step is a photochemical cyclization of a glyoxylate ester.

Entities:  

Year:  2000        PMID： 10970304     DOI： 10.1021/jo0004198

Source DB:  PubMed          Journal:  J Org Chem        ISSN： 0022-3263            Impact factor:   4.354


  7 in total

1.  One-pot two-step synthesis of 3-iodo-4-aryloxy coumarins and their Pd/C-catalyzed annulation to coumestans.

Authors:  Niranjan Panda; Irshad Mattan
Journal:  RSC Adv       Date:  2018-02-16       Impact factor: 4.036

2.  Synthesis of Psoralidin derivatives and their anticancer activity: First synthesis of Lespeflorin I1.

Authors:  Pallab Pahari; Ujwal Pratim Saikia; Trinath Prasad Das; Chendil Damodaran; Jurgen Rohr
Journal:  Tetrahedron       Date:  2016-06-09       Impact factor: 2.457

3.  Total synthesis of psoralidin, an anticancer natural product.

Authors:  Pallab Pahari; Jürgen Rohr
Journal:  J Org Chem       Date:  2009-04-03       Impact factor: 4.354

4.  Palladium(II)-Catalyzed Efficient Synthesis of Wedelolactone and Evaluation as Potential Tyrosinase Inhibitor.

Authors:  Huidan Huang; Jianqiu Chen; Jie Ren; Chaofeng Zhang; Fei Ji
Journal:  Molecules       Date:  2019-11-15       Impact factor: 4.411

5.  Copper-catalyzed intramolecular cross dehydrogenative coupling approach to coumestans from 2'-hydroxyl-3-arylcoumarins.

Authors:  Xianheng Song; Xiang Luo; Jianfei Sheng; Jianheng Li; Zefeng Zhu; Zhibo Du; Hui Miao; Meng Yan; Mingkang Li; Yong Zou
Journal:  RSC Adv       Date:  2019-06-03       Impact factor: 4.036

Review 6.  Furo[3,2-c]coumarins carrying carbon substituents at C-2 and/or C-3. Isolation, biological activity, synthesis and reaction mechanisms.

Authors:  Iván Cortés; L Javier Cala; Andrea B J Bracca; Teodoro S Kaufman
Journal:  RSC Adv       Date:  2020-09-10       Impact factor: 4.036

7.  Regioselective Fluorination of Acenes: Tailoring of Molecular Electronic Levels and Solid-State Properties.

Authors:  Daniel Bischof; Matthias W Tripp; Philipp E Hofmann; Chun-Ho Ip; Sergei I Ivlev; Marina Gerhard; Ulrich Koert; Gregor Witte
Journal:  Chemistry       Date:  2022-01-03       Impact factor: 5.020
  7 in total

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