

The present invention belongs to the pha...
The invention relates to a pyridone-cont...
The invention relates to a preparation m...
The invention relates to a dibenzo seven...
![7,8-difluoro-6,11-dihydrodibenzo[b,e]thiazepin-11-one](/upload/2024/8/01989948-da3f-4c64-9767-ad81c79586be.png)
7,8-difluoro-6,11-dihydrodibenzo[b,e]thiazepin-11-one

![7,8-difluoro-6,11-dihydrodibenzo[b,e]thiazepine-11-ol](/upload/2024/8/db9eca65-84c9-4c63-821b-ba9a0c297a5f.png)
7,8-difluoro-6,11-dihydrodibenzo[b,e]thiazepine-11-ol
| Conditions | Yield | 
|---|---|
| 
			 With    sodium tetrahydroborate;     In   ethanol;   at 20 - 50 ℃; for 5h; Solvent; Large scale;  
			 | 
			98% | 
| 
			 With    sodium tetrahydroborate; sodium hydroxide;     In   water; isopropyl alcohol;   at 40 ℃; for 1.5h;  
			 | 
			97% | 
| 
			 With    sodium tetrahydroborate;     In   ethanol; water;   Cooling with ice;  
			 | 
			97% | 
| 
			 With    sodium tetrahydroborate; sodium hydroxide;     In   isopropyl alcohol;   at 40 ℃; for 2h;  
			 | 
			97% | 
| 
			 With    sodium tetrahydroborate; water; sodium hydroxide;     In   isopropyl alcohol;   at 0 - 40 ℃;  
			 | 
			97% | 
| 
			 With    methanol; sodium tetrahydroborate;      at 0 - 20 ℃; for 0.333333h;  
			 | 
			97.7% | 
| 
			 With    sodium tetrahydroborate; sodium hydroxide;     In   water; isopropyl alcohol;   at 40 ℃; for 1.5h;  
			 | 
			97% | 
| 
			 With    sodium tetrahydroborate; sodium hydroxide;     In   isopropyl alcohol;   at 40 ℃; for 4h; Cooling with ice;  
			 | 
			95% | 
| 
			 With    sodium tetrahydroborate;     In   isopropyl alcohol;   at 10 - 55 ℃; Solvent; Temperature;  
			 | 
			94.7% | 
| 
			 With    sodium tetrahydroborate;     In   methanol;   at -10 - 20 ℃; for 4h;  
			 | 
			93.2% | 
| 
			 With    methanol; sodium tetrahydroborate;      at -5 - 20 ℃; for 5h;  
			 | 
			91.5% | 
| 
			 With    methanol; sodium tetrahydroborate;     In   tetrahydrofuran;   at 20 ℃; for 1h;  
			 | 
			|
| 
			 With    sodium tetrahydroborate;     In   isopropyl alcohol;   at 40 ℃; for 1h;  
			 | 
			1.8 g | 
![7,8-difluoro-6,11-dihydrodibenzo[b,e]thiazepin-11-one](/upload/2024/8/01989948-da3f-4c64-9767-ad81c79586be.png)
7,8-difluoro-6,11-dihydrodibenzo[b,e]thiazepin-11-one

![7,8-difluoro-6,11-dihydrodibenzo[b,e]thiazepine-11-ol](/upload/2024/8/ab6e8e91-f613-4793-93c1-31d011c21dd7.png)
7,8-difluoro-6,11-dihydrodibenzo[b,e]thiazepine-11-ol
| Conditions | Yield | 
|---|---|
| 
			 With    borane-THF; (S)-5,5-diphenyl-2-methoxy-3,4-propano-1,3,2-oxazaborolidine;     In   toluene;   at 20 - 30 ℃; for 1.5h; Reagent/catalyst; Solvent; Temperature; enantioselective reaction; Inert atmosphere;  
			 | 
			93.7% | 
| 
			 With    EBSDR8; isopropyl alcohol; NADH;     In   aq. phosphate buffer;   at 30 - 35 ℃; pH=7.2 - 7.5; Enzymatic reaction;  
			 | 
			91% | 
| 
			 With    formic acid; RuCl(p-cymene)[(R,R)-Ts-DPEN]; triethylamine;     In   tetrahydrofuran;   at 60 - 70 ℃; Inert atmosphere;  
			 | 
			98.62 % ee | 

3,4-Difluorobenzoic acid

3,4-difluoro-2-((phenylthio)methyl)benzoic acid

7,8-difluoro-6,11-dihydrodibenzo[b,e]thiazepin-11-one

sodium thiophenolate

(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