

The invention relates to a pyridone-cont...
Provided herein are compounds that can i...
The invention relates to a sulfur-contai...
The invention discloses a spiro pyridone...

t-butoxycarbonylhydrazine


3-benzyloxy-4-oxo-4H-pyran-2-carboxylic acid methyl ester


methyl 1-((tert-butoxycarbonyl)amino)-3-(benzyloxy)-4-oxo-1,4-dihydropyridine-2-carboxylic acid
| Conditions | Yield |
|---|---|
|
With pyridinium p-toluenesulfonate; In N,N-dimethyl acetamide; at 60 ℃; for 20.5h;
|
82% |
|
With pyridinium p-toluenesulfonate; In N,N-dimethyl acetamide; at 60 ℃; for 15h;
|
80% |
|
With pyridinium p-toluenesulfonate; In N,N-dimethyl acetamide; N,N-dimethyl-formamide; at 60 ℃;
|
78% |
|
With pyridinium p-toluenesulfonate; In N,N-dimethyl acetamide; at 60 ℃; for 12h;
|
73% |
|
3-benzyloxy-4-oxo-4H-pyran-2-carboxylic acid methyl ester; With pyridinium p-toluenesulfonate; In N,N-dimethyl acetamide; at 65 - 70 ℃; for 7h;
t-butoxycarbonylhydrazine; In N,N-dimethyl acetamide; at 65 - 70 ℃; Temperature;
|
65% |
|
With toluene-4-sulfonic acid; In N,N-dimethyl acetamide; at 55 ℃;
|
44% |
|
With pyridinium p-toluenesulfonate; In N,N-dimethyl acetamide; at 60 ℃; for 9h;
|
122.7 g |
|
With pyridinium p-toluenesulfonate; In N,N-dimethyl acetamide; at 60 ℃; for 16h;
|

t-butoxycarbonylhydrazine


3-(benzyloxy)-1-((tert-butoxycarbonyl)amino)-4-oxo-1,4-dihydropyridine-2-carboxylic acid ethyl ester


dimethyl sulfate


methyl 1-((tert-butoxycarbonyl)amino)-3-(benzyloxy)-4-oxo-1,4-dihydropyridine-2-carboxylic acid
| Conditions | Yield |
|---|---|
|
3-(benzyloxy)-1-((tert-butoxycarbonyl)amino)-4-oxo-1,4-dihydropyridine-2-carboxylic acid ethyl ester; dimethyl sulfate; With sodium hydrogencarbonate; In N,N-dimethyl acetamide; at 25 ℃; for 7h;
t-butoxycarbonylhydrazine; With pyridinium p-toluenesulfonate; In N,N-dimethyl acetamide; at 60 ℃; for 3h;
|
77% |

3-(benzyloxy)-1-((tert-butoxycarbonyl)amino)-4-oxo-1,4-dihydropyridine-2-carboxylic acid ethyl ester

t-butoxycarbonylhydrazine

Maltol

3-O-benzylmaltol

(R)-12-((S)-7,8-difluoro-6,11-dihydrodibenzo[b,e]thiepin-11-yl)-7-hydroxy-3,4,12,12a-tetrahydro-1H-[1,4]oxazino[3,4-c]pyrido[2,1-f][1,2,4]triazine-6,8-dione

7-(benzyloxy)-3,4,12,12a-tetrahydro-1H-[1,4]oxazino[3,4-c]pyrido [2,1-f][1,2,4]triazine-6,8-diketone