[EN] NEW TRIAZOLYL DERIVATIVES AS GABA A ALPHA5 PAM<br/>[FR] NOUVEAUX DÉRIVÉS TRIAZOLYLES UTILISÉS EN TANT QUE GABA A ALPHA5 PAM
申请人:HOFFMANN LA ROCHE
公开号:WO2021228795A1
公开(公告)日:2021-11-18
The invention provides novel compounds having the general formula (I) or (II) wherein R1, R2, R3, X, Y and Z are as described herein, compositions including the compounds and methods of using the compounds.
Traversing Steric Limitations by Cooperative Lewis Base/Palladium Catalysis: An Enantioselective Synthesis of α‐Branched Esters Using 2‐Substituted Allyl Electrophiles
作者:Kevin J. Schwarz、Colin M. Pearson、Gabriel A. Cintron‐Rosado、Peng Liu、Thomas N. Snaddon
DOI:10.1002/anie.201803277
日期:2018.6.25
Cooperative catalysis enables the direct enantioselective α‐allylation of linear prochiral esters with 2‐substituted allyl electrophiles. Critical to the successful development of the method was the recognition that metal‐centered reactivity and the source of enantiocontrol are independent. This feature is unique to simultaneous catalysis events and permits logical tuning of the supporting ligands
[EN] 6-BRIDGED HETEROARYLDIHYDROPYRIMIDINES FOR THE TREATMENT AND PROPHYLAXIS OF HEPATITIS B VIRUS INFECTION<br/>[FR] HÉTEROARYLDIHYDROPYRIMIDINES PONTÉES EN POSITION 6 POUR LE TRAITEMENT ET LA PROPHYLAXIE D'UNE INFECTION PAR LE VIRUS DE L'HÉPATITE B
申请人:HOFFMANN LA ROCHE
公开号:WO2014184328A1
公开(公告)日:2014-11-20
The invention provides novel compounds having the general formula: wherein R1, R2, R3 and R4 are as defined in the description and in the claims, as well as or pharmaceutically acceptable salts, or tautomerism isomers, or enantiomers, or diastereomers thereof. The invention also contains compositions including the compounds and methods of using the compounds for the treatment or prophylaxis of hepatitis B virus infection.
The Fluoro-Pauson–Khand Reaction in the Synthesis of Enantioenriched Nitrogenated Bicycles Bearing a Quaternary C–F Stereogenic Center
作者:Alberto Llobat、Raquel Román、Natalia Mateu、Daniel M. Sedgwick、Pablo Barrio、Mercedes Medio-Simón、Santos Fustero
DOI:10.1021/acs.orglett.9b02557
日期:2019.9.20
A variety of enantioenriched fluorinated 6H-cyclopenta[c]pyridin-6-one bicycles, a scaffold present in several classes of monoterpenic alkaloids with varied biological activity, were synthesized in just five steps from simple aldehyde starting materials. The synthesis presented wide functional group tolerance and moderate to high yields and diastereoselectivities and could be carried out on a gram
从简单的醛类原料开始,仅需五步即可合成多种对映体富集的氟化6 H-环戊[ c ]吡啶-6-自行车,该自行车存在于几类具有不同生物活性的单萜生物碱中。该合成具有宽泛的官能团耐受性,并且具有中等至高收率和非对映选择性,并且可以克量级进行。这些产物适合于进一步的转化,例如叔丁基磺酰基保护基的氢化和脱保护。
Asymmetric Synthesis of Fluorinated Monoterpenic Alkaloid Derivatives from Chiral Fluoroalkyl Aldimines via the Pauson‐Khand Reaction
tert‐butanesulfinyl imines, and subsequent Pauson‐Khand reaction of resulting enyne derivatives, carried out both stoichiometrically and catalytically. The Pauson‐Khand reaction tolerated both substituted alkenes and alkynes, and took place in good yields and diastereoselectivities, even when applied to a gram‐scale synthesis.