成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List 5-(4-ETHOXYPHENYL)-5-OXOPENTANOIC ACID
34670-10-5

5-(4-ETHOXYPHENYL)-5-OXOPENTANOIC ACID synthesis

7synthesis methods
75332-46-6 Synthesis
ETHYL TRANS-4-ETHOXYCINNAMATE  97

75332-46-6
15 suppliers
$89.40/1g

-

Yield:-

Steps:

Multi-step reaction with 5 steps
1: sodium; toluene
2: SOBr2
3: ethanol / Erwaermen des Reaktionsprodukts mit wss. Natronlauge
4: 130 °C
5: sodium dichromate; aqueous sulfuric acid; acetic acid

References:

van der Zanden [Recueil des Travaux Chimiques des Pays-Bas,1939,vol. 58,p. 181,189]