Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
logo
Inquriy
Try our best to find the right business for you.
Messages
Do not miss inquiry messages Please log in to view all inquiry messages.
My chemicalbook

Welcome back!

Structured search
18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
1421065-63-5

TERT-BUTYL 6-OXO-3,4-DIHYDRO-1H-PYRIDO[1,2-A]PYRAZINE-2(6H)-CARBOXYLATE synthesis

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

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

1,2,3,4-Tetrahydro-2-[(2-nitrophenyl)sulfonyl]-6H-pyrido[1,2-a]pyrazin-6-one

1421065-62-4
0 suppliers
inquiry

Thiophenol

108-98-5
0 suppliers
$21.10/10g

TERT-BUTYL 6-OXO-3,4-DIHYDRO-1H-PYRIDO[1,2-A]PYRAZINE-2(6H)-CARBOXYLATE

1421065-63-5
8 suppliers
inquiry

-

Yield:1421065-63-5 80%

Reaction Conditions:

Stage #1: 2-(2-nitrophenylsulfonyl)-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-6(2H)-one;thiophenolwith potassium carbonate in N,N-dimethyl-formamide at 20; for 1 h;
Stage #2: di-tert-butyl dicarbonate at 20; for 3 h;

References:

WO2013/10453,2013,A1 Location in patent:Page/Page column 146

2-TERT-BUTOXY-6-CHLOROPYRIDINE

547740-43-2
26 suppliers
$14.90/1g

TERT-BUTYL 6-OXO-3,4-DIHYDRO-1H-PYRIDO[1,2-A]PYRAZINE-2(6H)-CARBOXYLATE

1421065-63-5
8 suppliers
inquiry

References
6-tert-butoxypyridine-2-carbonitrile

1211584-93-8
5 suppliers
inquiry

TERT-BUTYL 6-OXO-3,4-DIHYDRO-1H-PYRIDO[1,2-A]PYRAZINE-2(6H)-CARBOXYLATE

1421065-63-5
8 suppliers
inquiry

References
(6-tert-butoxypyridin-2-yl)methanamine

1247441-30-0
11 suppliers
inquiry

TERT-BUTYL 6-OXO-3,4-DIHYDRO-1H-PYRIDO[1,2-A]PYRAZINE-2(6H)-CARBOXYLATE

1421065-63-5
8 suppliers
inquiry

References
2402-78-0 Synthesis
2,6-Dichloropyridine

2402-78-0
514 suppliers
$6.00/25g

TERT-BUTYL 6-OXO-3,4-DIHYDRO-1H-PYRIDO[1,2-A]PYRAZINE-2(6H)-CARBOXYLATE

1421065-63-5
8 suppliers
inquiry

References