Regiospecific (Biogenetic-type) Synthesis of 2-Methyl-5H-pyranobenzopyran-4-one, the Basic Skeleton in Citromycetin

DOI: 10.1039/c39810000761

Source and publish data:

Journal of the Chemical Society. Chemical communications p. 761 - 762 (1981)

Update date:2022-08-03

Topics:

Authors:

Watanabe, Toshio

Katayama, Sadamu

Nakashita, Yoshihiko

Yamauchi, Masashige

Read Full Text PDF DownLoad Join now for total 90,000,000 free articles

Article abstract of DOI:10.1039/c39810000761

Regiospecific cyclization of the acetal (4g), derived in 5 steps from 2'-benzyloxyacetophenone (3a), gave the pyrone (6a) which was easily converted into 2-methyl-5H-pyrano<3,2-c><1>benzopyran-4-one (1b), the basic skeleton in citromycetin (1a).

Full text of DOI:10.1039/c39810000761

View Article Online / Journal Homepage / Table of Contents for this issue

View Article Online

Products guided by the article

Product name:1-Butanone, 3-hydroxy-1-[2-(methoxymethoxy)phenyl]-4-(2-methyl-1,3-dioxolan-2-yl)-

Cas No:90618-63-6

R&D Labs maybe for 90618-63-6

Quzhou Ruiyuan chemical Co., Ltd

Contact:+86-570-3039321/3039361/3039308

Address:18# Huayang Road,Quzhou High-tech Industrial Park, Zhejiang China.
Qida Chemical Co., Ltd.(expird)

Contact:+86-25-8776 0031

Address:3-2001 Jiaye Int'l Town, 158 Lushan Road,Nanjing, 210019, China
Shenzhen ZheYi Chemicals Co.,LTD(Shanghai Branch)

Contact:+86-21-54159691

Address:Room1002,Building No.2, Lane 98 Bixiu Road,Minhang District, Shanghai,China 201100
CHANGYI CITY FENGRUN FINE CHEMICAL CO.,LTD

website:http://www.fengrunhuagong.com

Contact:+86-536-7869976

Address:Changyi Coastal Economic Development Zone
Sinoway International (Jiangsu) Co., Ltd.

Contact:+86-25-86630167

Address:17 Beijing Road (West), Nanjing, China

Relevant to this article

New free-radical halogenations of alkanes, catalysed by N-hydroxyphthalimide. Polar and enthalpic effects on the chemo- and regioselectivity

Doi:10.1016/j.tetlet.2003.12.130
(2004)
SYNTHESIS OF VERONGIAQUINOL AND RELATED COMPOUNDS AND STUDY OF THEIR INHIBITING ACTION ON RAT BRAIN Na⁺,K⁺-ATPase

Doi:10.1007/BF00629820
(1992)
Azidothymidine "clicked" into 1,2,3-Triazoles: First Report on Carbonic Anhydrase-Telomerase Dual-Hybrid Inhibitors

Doi:10.1021/acs.jmedchem.0c00636
(2020)
Synthesis of anthranylaldoxime derivatives as estrogen receptor ligands and computational prediction of binding modes

Doi:10.1021/jm060560u
(2006)
Near-infrared sensing properties of dimethlyamino-substituted BF ₂-azadipyrromethenes

Doi:10.1021/ol061171x
(2006)
Conformational Studies of Neopentyl- and Trimethylsilylmethyl-substituted Germyl Radicals by Electron Spin Resonance

Doi:10.1246/bcsj.57.796
(1984)

Article Doi