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 (4-IODO-BENZYL)-CARBAMIC ACID TERT-BUTYL ESTER
189132-01-2

(4-IODO-BENZYL)-CARBAMIC ACID TERT-BUTYL ESTER synthesis

11synthesis methods
24424-99-5 Synthesis
Di-tert-butyl dicarbonate

24424-99-5
834 suppliers
$13.50/25G

39959-59-6 Synthesis
4-IODOBENZYLAMINE

39959-59-6
123 suppliers
$5.00/100mg

-

Yield: 99%

Reaction Conditions:

with sodium hydroxide in 1,4-dioxane;water at 20; for 18 h;

Steps:

1.A
A solution of 4-iodo-benzylamine (18.64g, 80mmol), dι'-tert-buty dicarbonate (19.21g, 88mmol), and NaOH (4.8Og, 120mmol) in dioxane/H2O (1 :1 , 25OmL) was stirred at room temp for 18 hours. The solvent was removed and the residue was dissolved in EtOAc (20OmL). The organic layer was washed with H2O (5OmL), HCl (IN, 2x 5OmL), NaHCO3 (10%, 5OmL) and H2O (5OmL). The organic solution was dried over anhydrous Na2SO4. The solvent was evaporated to give (4- iodobenzyl)carbamic acid tert-butyl ester (1, 26.5Og, 99%).

References:

CENGENT THERAPEUTICS, INC. WO2006/9876, 2006, A2 Location in patent:Page/Page column 139

(4-IODO-BENZYL)-CARBAMIC ACID TERT-BUTYL ESTER Related Search: