天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

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-CHLORO-2-FLUORO-4-METHOXYPHENYLBORONIC ACID
677741-96-7

5-CHLORO-2-FLUORO-4-METHOXYPHENYLBORONIC ACID synthesis

1synthesis methods
1-Chloro-4-fluoro-2-iodo-5-methoxybenzene

677741-99-0
3 suppliers
inquiry

5-CHLORO-2-FLUORO-4-METHOXYPHENYLBORONIC ACID

677741-96-7
15 suppliers
inquiry

-

Yield:677741-96-7 53%

Reaction Conditions:

Stage #1: 1-chloro-4-fluoro-2-iodo-5-methoxy-benzenewith n-butyllithium;boron hydroxide in tetrahydrofuran;hexane at -78 - 20;
Stage #2: with hydrogenchloride at 20; for 1 h;

References:

WO2004/31189,2004,A1 Location in patent:Page 79

5-CHLORO-2-FLUORO-4-METHOXYPHENYLBORONIC ACID Related Search: