Synthesis of 2,3,4,6,7,8-Hexahydro-5H-1-benzopyran-5-ones and 3-(6-Oxo-1-cyclohexenyl)alkanoic Acids by Reduction of 4,6,7,8-Tetrahydro-2H-1-benzopyran-2,5(3H)-diones

DOI: 10.1002/hlca.19860690723

Source and publish data:

Helvetica Chimica Acta p. 1681 - 1684 (1986)

Update date:2022-07-29

Topics:

Authors:

Hombrecher, Hermann

Margaretha, Paul

Tissot, Paul

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

Article abstract of DOI:10.1002/hlca.19860690723

Comparative results on the reduction of 4,6,7,8-tetrahydro-7,7-dimethyl-2H-1-benzopyran-2,5(3H)-diones 1 are reported.Hydride reduction (LiAlH4 in Et2O or NaBH4 in i-PrOH) affords 2,3,4,6,7,8-hexahydro-5H-1-benzopyran-5-ones 5 in 30-60 percent isolated yi

Full text of DOI:10.1002/hlca.19860690723

Products guided by the article

Product name:3-(4,4-dimethyl-6-oxo-1-cyclohexenyl)-4-methyl-4-pentenoic acid

Cas No:109875-42-5

R&D Labs maybe for 109875-42-5

Liao Cheng All Win Chemicals Co.,LTD

Contact:86+0635-2991582

Address:Room 402,Unit 1,No.27 building.Zhong tong shi dai haoyuan,liaocheng city,Shan dong Province.China
Huzhou City Linghu Xinwang Chemical Co.,Ltd.

Contact:86-572-3948695/3945236

Address:huzhou
Lishui Nanming Chemical Co., Ltd(expird)

Contact:+86-0578-2134101，2697830

Address:No.19 Tongji Road Shuige Industrial zone
Kunming Biohome Technology Co. Ltd.

website:http://www.biohometech.com/

Contact:86-871-67428869

Address:kunming
Jiangxi Huashi Pharmaceutical Co., Ltd

Contact:+86-795-4509628

Address:Ningbo Ave., Fengtian Industrial Park, Fengxin Country, Jiangxi, China.

Relevant to this article

Doi:10.1039/jr9400001139
(1940)
Highly enantioselective synthesis of optically active ketones by iridium-catalyzed asymmetric hydrogenation

Doi:10.1002/anie.200803709
(2008)
Ethynyl-boron subphthalocyanines displaying efficient cascade energy transfer and large stokes shifts

Doi:10.1002/anie.200803131
(2008)
Gold-catalyzed carbene transfer to alkynes: Access to 2,4-disubstituted furans

Doi:10.1002/anie.201200307
(2012)
Activated Thiocarboxylic Esters; 8. Preparation of 2-Oxidithiocarboxylic Esters from Diazoketones

Doi:10.1055/s-1986-31843
(1986)
Catalytic asymmetric conjugate addition of simple alkyl thiols to α,β-unsaturated N-acylated oxazolidin-2-ones with bifunctional catalysts

Doi:10.1021/ja8085092
(2009)

Article Doi