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-Pyridinesulfonamide(6CI,7CI,9CI)
63636-89-5

2-Pyridinesulfonamide(6CI,7CI,9CI) synthesis

7synthesis methods
16133-25-8 Synthesis
pyridine-3-sulfonyl chloride

16133-25-8
445 suppliers
$6.00/1g

-

Yield:-

Steps:

Preparation of the starting compounds
Preparation of the starting compounds In analogy to Example 13, paragraph a), from 3-pyridylsulphonyl chloride (J Org. Chem., Vol. 54, 389) and ammonia there was obtained 2-pyridylsulphonamide as a white, crystalline solid, the potassium salt being obtained therefrom with potassium tert.-butylate in methanol.

References:

Hoffmann-La Roche Inc. US5837708, 1998, A

2-Pyridinesulfonamide(6CI,7CI,9CI) Related Search: