Synthesis of polycyclic oxa-coumarins, potential antitumour agents and a short and convenient synthesis of naphthopyranoquinolines from naphthopyran chloroaldehydes

DOI: 10.1016/S0040-4020(01)90128-0

Source and publish data:

Tetrahedron p. 5199 - 5208 (1992)

Update date:2022-08-05

Topics:

Authors:

Sami Sami

Kar Kar

Ray Ray

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

Article abstract of DOI:10.1016/S0040-4020(01)90128-0

A three step high yielding synthesis of some novel oxa-coumarins (4, 8 and 9) from chloroaldehyde derivatives (1 and 5) have been described. The chloroaldehydes have also been used for two step synthesis of some novel naphthopyranoquinolines (12, 15) via

Full text of DOI:10.1016/S0040-4020(01)90128-0

Products guided by the article

Product name:3H-Naphtho[2,1-b]pyran-1-amine, N-(4-nitrophenyl)-2-[[(4-nitrophenyl)imino]methyl]-, monohydrochloride

Cas No:143085-70-5

R&D Labs maybe for 143085-70-5

Chuzhou Baiao Biologhy S&T Co., Ltd.

Contact:+86-25-83212599；+86-25-83212699 13705185959

Address:Room 905, Tianzheng International Platza, No.399, Zhongyang Road ,Nanjing, Jiangsu Province, China
Nowa pharmaceuticals Co., LTD

Contact:86-512-69362780,69362785

Address:No.69 Weixin Road,Weiting Town,Suzhou Industrial Park
Taixing Joxin Bio-tec Co.,Ltd.

website:http://www.joxbio.com

Contact:86-523-87558858 87612088

Address:No.88, chengdong industrial park
Shandong Zhongcheng Barium Salt Co., Ltd

Contact:+86-15725732638

Address:No.29 baoxi road, hi-tech zone, zibo, shandong
Shandong Yaroma Perfumery Co., Ltd.

Contact:+86- 531- 88024598

Address:7-702 Caizhi Central, 59 Gong Ye South Road, Jinan City,250101, P. R. China

Relevant to this article

Access to 2,6-disubstituted piperidines: Control of the diastereoselectivity, scope, and limitations. applications to the stereoselective synthesis of (-)-solenopsine A and alkaloid (+)-241D

Doi:10.1021/jo302712f
(2013)
Metal-metal cooperativity effects in promoting C-H bond cleavage of a methyl group by an adjacent metal center

Doi:10.1021/ja983525o
(1999)
An unusual self-assembly of a deuteroporphyrin 4-aminothiophenol derivative on Au(111) surfaces

Doi:10.1039/c3nj00118k
(2013)
Syntheses, X-ray structures and CVD of titanium(iv) arsine complexes

Doi:10.1039/c001359e
(2010)
Two-color glycan labeling of live cells by a combination of diels-alder and click chemistry

Doi:10.1002/anie.201208991
(2013)
Synthesis of 1,10,19,28-Tetraoxa-4,7,13,16,22,25,31,34-octaazacyclohexatriacontane (L) and its Complex 4*2H2O

Doi:10.1039/DT9920001121
(1992)

Article Doi