2,2'3,4,4'-PENTAHYDROXY BENZOPHENONE Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

Preparation by reaction of 2,3,4-trihydroxybenzoic acid with resorcinol,
? in the presence of zinc chloride and phosphorous oxychloride at 70–80° for 1.5 h (65%) ;
? in the presence of zinc chloride and a mixture of polyphosphoric acid/85% phosphoric acid (60:40) at 27°. Then, during 2h, phosphorous trichloride was added between 27° and 37° and the mixture heated at 60° for 16h.

2,2'3,4,4'-PENTAHYDROXY BENZOPHENONE Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

2,2'3,4,4'-PENTAHYDROXY BENZOPHENONE Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Firmenname	Telefon	E-Mail	Land	Produktkatalog	Edge Rate
Shanghai Joiny Pharmaceutical Co.,LTD	+8613681955282	gyd@joiny-pharma.com	China	311	58
Shanghai Daken Advanced Materials Co.,Ltd	+86-371-66670886	info@dakenam.com	China	18750	58
Dayang Chem (Hangzhou) Co.,Ltd.	571-88938639 +8617705817739	info@dycnchem.com	China	52849	58
PT CHEM GROUP LIMITED	+86-85511178; +86-85511178;	peter68@ptchemgroup.com	China	35425	58
Xuzhou B&C Chemical Co.,Ltd	+86-400-0516-021	info@bcpharma.com	China	2738	58
LEAPCHEM CO., LTD.	+86-852-30606658	market18@leapchem.com	China	43340	58
Shanghai RC Chemicals Co., Ltd.	21-58661250 18217085189	3059772675@qq.com	China	110	64
Zhengzhou Acme Chemical Co., Ltd.	0371-037163312495,13303845143 13303845143	3001379618@qq.com	China	10380	58
LEWOO PHARMATECH (SHANGHAI) CO.,LTD	15800805830	miao@lewoopharma.com.cn	China	849	58
Cato Research Chemicals Inc.	020-81960175-877 18933936954	tianwen.zhan@cato-chem.com	China	7735	58

92379-42-5()Verwandte Suche:

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• 2,2'3,4,4'-PENTAHYDROXY BENZOPHENONE
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• RAW material for Photo Active Compounds