783369-52-8

Upstream product

• 137864-44-9 N-[(2'-(1-triphenylmethyl-tetrazol-5-yl)biphenyl-4-yl)methyl]-N-valeroyl-(L)-valine benzyl ester 
• 638-29-9 n-valeryl chloride 
• 124750-51-2 N-(triephenylmethyl)-5-<4'-(bromomethyl)-biphenyl-2-yl>tetrazole 

Downstream Products

• 137862-53-4 N-pentanoyl-N-[[2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl]-methyl]-(L)-valine 

Relevant academic research and scientific papers

A process for preparing a renin - angiotensin - aldosterone system dual inhibitor compound of intermediate

The invention relates to an intermediate compound for preparing RAAS (renin-angiotensin-aldosterone system) dual inhibitor compounds. RAAS dual inhibitors can be used for treating diseases related to an RAAS such as high blood pressure and heart diseases.

For renin-angiotensin-aldosterone system dual inhibitor compounds

The invention relates to a compound for a renin-angiotensin-aldosterone system dual inhibitor, which can be used for treating and blocking diseases related to an RAS system such as hypertension, congestive heart failure, pulmonary hypertension, renal insufficiency, renal ischemia, kidney failure, renal fibrosis, cardiac insufficiency, cardiomegaly, cardiac fibrosis, myocardial ischemia, cardiomyopathy, glomerulonephritis, renal colic, complication caused by diabetes such as nephropathy, vasculopathy, neuropathy, glaucoma, intraocular pressure elevation, atherosclerosis, restenosis after the arteries transluminal angioplasty, complication of blood vessels or cardiac surgical procedures, erectile dysfunction, hyperaldosteronism, lung fibrosis, scleroderma, anxiety, cognitive disorder, complication caused by the treatment of immunosuppressor and other diseases associated to the renin-angiotensin system.

INTERMEDIATES AND PROCESSES FOR THE PREPARATION OF VALSARTAN

It comprises a preparation process of Valsartan from new salts of Valsartan having the tetrazole moiety protected with a protective group. The process leads to the elimination of the typical impurities due to the preparation process while avoiding its rac

INTERMEDIATE COMPOUNDS FOR THE PREPARATION OF AN ANGIOTENSIN II RECEPTOR ANTAGONIST

It comprises new substituted 4-valinylmethylphenyl boronic acids and their derivatives and also its preparation process. It also comprises a preparation process of Valsartan from such intermediates. The process comprises the reaction of the new 4-valinylmethylphenyl boronic compounds with a (halophenyl)tetrazole compound which proceeds with high yields. The process is particularly advantageous in its practical industrial realization because it avoids the use of azide derivatives and also the use of expensive biphenyl intermediates.