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 2-ISOPROPYLPYRAZINE
29460-90-0

2-ISOPROPYLPYRAZINE synthesis

1synthesis methods
-

Yield: 20%

Reaction Conditions:

Stage #1:isopropyl bromide with magnesium in tetrahydrofuran at 0; for 1 h;
Stage #2:1,4-pyrazine in tetrahydrofuran at 0; for 0.25 h;Further stages.;

References:

Schulz, Stefan;Fuhlendorff, Jens;Reichenbach, Hans [Tetrahedron,2004,vol. 60,# 17,p. 3863 - 3872]

2-ISOPROPYLPYRAZINE Related Search: