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 3-OCTEN-2-ONE
1669-44-9

3-OCTEN-2-ONE synthesis

9synthesis methods
By bubbling air in a solution of an organoborane derivative of 1-butene and 1-butyn-2-one in tetrahydrofuran.
-

Yield:1669-44-9 62%

Reaction Conditions:

with sodium hydroxide in water at 70; for 2.5 h;

Steps:

I
[0071] Preparation of Compound IV (85; SRI-22942). Valeraldehyde (10; 40 mmol,4.8 ml) was taken in acetone (6 ml), water (8 ml) and 1% NaOH (10 ml). This mixture was heated at 70 °C for 2.5 hours. The mixture was poured into H20 (100 ml) and extracted with chloroform which was evaporated to dryness to give the intermediate chalcone (11) (3.5 grams, 62% yield).

References:

UNIVERSITY OF ROCHESTER;SOUTHERN RESEARCH INSTITUTE;GOLDFARB, David, S.;MADDRY, Joseph, A.;RASMUSSEN, Lynn;WHITE, Ellie, Lucile;WENNERBERG, Krister WO2011/62964, 2011, A1 Location in patent:Page/Page column 20

FullText

3-OCTEN-2-ONE Related Search: