Performing the Synthesis of a Complex Molecule on Sequentially Linked Columns: Toward the Development of a “Synthesis Machine”
摘要:
We describe the diastereoselective synthesis of a pharmaceutically active drug candidate via a column-based system. This methodology is complementary to classical solid-phase synthesis; individual columns are packed with resin-bound reagents and then linked in sequence and/or in parallel. In contrast to the traditional solid-phase approach, substrates are introduced in the mobile phase where they build up chemical complexity by percolating through the linked columns, ultimately eluting as the desired product.
The present invention relates compounds of formula (I)
wherein A and R
1
are as defined in the specification, pharmaceutical compositions comprising such compounds, and methods of treating conditions and disorders using such compounds and pharmaceutical compositions.
Disclosed herein are compounds of formula (I)
wherein Ring A and R
1
are as defined in the specification. Pharmaceutical compositions comprising such compounds, and methods for treating conditions and disorders using such compounds and pharmaceutical compositions are also disclosed.
[EN] PYRIDIN- 2 -AMIDES USEFUL AS CB2 AGONISTS<br/>[FR] PYRIDIN-2-AMIDES UTILES COMME AGONISTES DE CB2
申请人:HOFFMANN LA ROCHE
公开号:WO2012168350A1
公开(公告)日:2012-12-13
The invention relates to a compound of formula (I) wherein R1 to R4 are defined as in the description and in the claims. The compound of formula (I) can be used as a medicament.
A Bifunctional Photoaminocatalyst for the Alkylation of Aldehydes: Design, Analysis, and Mechanistic Studies
作者:Thomas Rigotti、Antonio Casado-Sánchez、Silvia Cabrera、Raúl Pérez-Ruiz、Marta Liras、Víctor A. de la Peña O’Shea、José Alemán
DOI:10.1021/acscatal.8b01331
日期:2018.7.6
visible light conditions. To corroborate the experimental observations, ground state geometry optimization and energy transition studies of thioxanthone and bifunctional catalyst 4c were optimized by time-dependent density functional theory (TD DFT) calculations. The alkylation of aldehydes with this photoaminocatalyst works with high enantioselectivities and yields due to the stereoelectronic properties
[EN] 4 - (5 - ISOXAZOLYL OR 5 - PYRRAZOLYL -1,2,4- OXADIAZOL - 3 - YL) -MANDELIC ACID AMIDES AS SPHINGOSIN- 1 - PHOSPHATE 1 RRECEPTOR AGONISTS<br/>[FR] AMIDES D'ACIDE 4-(5-ISOXAZOLYL OU 5-PYRAZOLYL-1,2,4-OXADIAZOL-3-YL)-MANDÉLIQUE COMME AGONISTES DU RÉCEPTEUR DE LA SPHINGOSINE-1-PHOSPHATE DE TYPE 1
申请人:BRISTOL MYERS SQUIBB CO
公开号:WO2011133734A1
公开(公告)日:2011-10-27
Disclosed are compounds of Formula (I) or stereoisomers, salts, or prodrugs thereof, wherein: Q is, or R1 is phenyl substituted with zero to 3 substituents; and R1, R2, R3, R4, R5, and G are defined herein. Also disclosed are methods of using such compounds as selective agonists for G protein-coupled receptor S1P1, and pharmaceutical compositions comprising such compounds. These compounds are useful in treating, preventing, or slowing the progression of diseases or disorders in a variety of therapeutic areas, such as autoimmune diseases and vascular disease.