623564-45-4

Usage

Uses

Used in Medicinal Chemistry and Drug Development:
(5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)methanol is used as a building block for the synthesis of various pharmaceuticals, contributing to the development of new drugs with potential therapeutic applications.
Used as a Reagent in Chemical Reactions:
(5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)methanol serves as a reagent in chemical reactions, facilitating the creation of different organic compounds and contributing to the advancement of chemical research.
Used as a Starting Material for Organic Compound Preparation:
(5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)methanol is utilized as a starting material for the preparation of other organic compounds, expanding the scope of chemical synthesis and potentially leading to novel applications in various industries.

Upstream product

• 86477-09-0 ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate 
• 796729-03-8 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylic acid 
• 1454848-65-7 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylic acid methyl ester 

Downstream Products

• 623564-46-5 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carbaldehyde 

Relevant academic research and scientific papers

Selective hydrolysis of ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2- carboxylate and ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-3-carboxylate as a key step in the large-scale synthesis of bicyclic heteroaryl carboxyaldehydes

The isomeric mixture of ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]-pyrazole-2- and -3-carboxylates (14 and 15), derived from a proline meso-ionic synthon, demonstrated remarkably different stabilities towards alkaline hydrolysis. On that basis, a non-chromatographic, highly efficient method for their large-scale separation was developed. The desired isomer 14 was converted into 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carbaldehyde, a key intermediate in the synthesis of bicyclic heteroaryl-substituted 6-alkylidene penems.

Polyheterocyclic substituted pyrimidines or pyridylamine derivatives Composition and medical application thereof

The invention discloses a polycyclic substituted pyrimidine or pyridine amine derivative, and the structure is shown in a formula (I). The invention further discloses a pharmaceutically acceptable salt of the derivative, a solvate, a stereoisomer, a prodrug, a pharmaceutical composition and and an application thereof in medicine. The compounds of the present invention have significant adenosine A. 2A Receptor and/or adenosine A2B The receptor antagonism activity is very practical.

MACROCYCLIC COMPOUNDS

The present application discloses compounds of Formula (I). Such compounds, pharmaceutically acceptable salts and compositions thereof, are inhibitors of Mcl-1 proteins and are useful in treating diseases and conditions characterized by excessive cellular proliferation such as cancer.

MACROCYCLIC COMPOUNDS

Disclosed are macrocyclic compounds of formula (I) comprising a 2-carboxy indole ring. Such compounds, and their pharmaceutically acceptable salts, are useful as Mcl-1 (myeloid cell leukemia-1) inhibitors. The compounds may be used in treating a disease o

MACROCYCLIC INDOLES AS MCL-1 INHIBITORS

Disclosed is compound of formula I and the pharmaceutically acceptable salts and solvates thereof, wherein R, R1a, R1b, R1h, L1, L2, L3, ?, ?, ? are as defined as set forth in the specification. Disclosed is compound of formula I for use to treat a condition or disorder responsive to Mcl-1 inhibition such as cancer.

MACROCYCLIC FUSED PYRRAZOLES AS MCL-1 INHIBITORS

Provided are compounds represented by Formula IA: (IA), and the pharmaceutically acceptable salts and solvates thereof, wherein R, R 1a, R 1b, L 1, L 2, L 3, X, A, B and C are as defined as set forth

Big ring indole used as MCL-1 inhibitor

The invention provides a compound represented by a formula (I) and a pharmaceutical salt and solvate thereof. In the formula (I), the definitions of R, R1a, R1b, R1h, L1, L2, and L3 are shown in the description. The invention also provides a compound represented by the formula (I), and the compound can be used to treat disease or disorder related with MCL-1 inhibition, such as cancers.

Bicyclic 6-alkylidene-penems as class-D beta-lactamases inhibitors

This invention relates to certain bicyclic 6-alkylidene penems which act as a inhibitor of class-D enzymes. β-Lactamases hydrolyze β-lactam antibiotics, and as such serve as the primary cause of bacterial resistance. The compounds of the present invention when combined with β-lactam antibiotics will provide an effective treatment against life threatening bacterial infections. In accordance with the present invention there are provided compounds of general formula I or a pharmaceutically acceptable salt or in vivo hydrolyzable ester R5 thereof: wherein: One of A and B denotes hydrogen and the other an optionally substituted fused bicyclic heteroaryl group; and X═O or S.

Process for preparing 6-alkylidene penem derivatives

The present invention provides a process of making compounds of formula I, which are useful for the treatment of bacterial infection or disease.

BICYCLIC 6-ALKYLIDENE-PENEMS AS ?-LACTAMASES INHIBITORS

The present invention provides a compound of Formula (I), pharmaceutical compositions and the use thereof for the treatment of bacterial infection or disease in a patient in need thereof.