C07F9/44

Chemoselective thiol-conjugation with alkene or alkyne-phosphonamidates

Disclosed are novel conjugates and processes for the preparation thereof. A process for the preparation of alkene- or alkyne-phosphonamidates comprises the steps of (I) reacting a compound of formula (III) ##STR00001## with an azide of formula (IV) ##STR00002## to prepare a compound of formula (V) ##STR00003## (II) reacting a compound of formula (V) with a thiol-containing molecule of formula (VI) ##STR00004## resulting in a compound of formula (VII) ##STR00005##

CHEMOSELECTIVE THIOL-CONJUGATION WITH ALKENE OR ALKYNE-PHOSPHONAMIDATES

Disclosed are novel conjugates and processes for the preparation thereof. A process for the preparation of alkene- or alkyne-phosphonamidates comprises the steps of (I) reacting a compound of formula (III)

##STR00001## with an azide of formula (IV)

##STR00002## to prepare a compound of formula (V)

##STR00003## (II) reacting a compound of formula (V) with a thiol-containing molecule of formula (VI)

##STR00004## resulting in a compound of formula (VII)

##STR00005##

HETEROCYCLIC THR-B RECEPTOR AGONIST COMPOUND AND PREPARATION METHOD AND USE THEREFOR
20220298187 · 2022-09-22 ·

A chemical compound shown in formula (I) below and an isomer thereof or a pharmaceutically acceptable salt thereof. The compound improves THR-β agonistic activity while also improving selectivity for THR-α, thereby improving pharmaceutical quality.

CHEMOSELECTIVE THIOL-CONJUGATION WITH ALKENE OR ALKYNE-PHOSPHONAMIDATES

Disclosed are novel conjugates and processes for the preparation thereof. A process for the preparation of alkene- or alkyne-phosphonamidates comprises the steps of (I) reacting a compound of formula (III)

##STR00001## with an azide of formula (IV)

##STR00002## to prepare a compound of formula (V)

##STR00003## (II) reacting a compound of formula (V) with a thiol-containing molecule of formula (VI)

##STR00004## resulting in a compound of formula (VII)

##STR00005##

Chiral phosphoramidimidates and derivatives thereof

The present invention relates to chiral phosphoramidimidates, their salts and metal complexes as well as derivatives thereof and their use as catalysts.

Chiral phosphoramidimidates and derivatives thereof

The present invention relates to chiral phosphoramidimidates, their salts and metal complexes as well as derivatives thereof and their use as catalysts.

PHOSPHOANTIGEN PRODRUG COMPOUNDS
20210171552 · 2021-06-10 ·

The invention relates to a compound of General Formula (I): wherein R1, R2, R3, R4 and R5 are as defined herein. Compounds and compositions comprising the same exhibit high serum stability and potent activation of the γδ T-cell immune response, so are suitable for use in immunotherapy. The invention also relates to methods of immunotherapy using the compounds of General Formula (I).

##STR00001##

Transition metal catalysts for olefin polymerization

In one aspect, a chelating phosphine-phosphonic diamide (PPDA) ligand is described herein for constructing transition metal complexes operable for catalysis of olefin polymerization, including copolymerization of ethylene with polar monomer.

Transition metal catalysts for olefin polymerization

In one aspect, a chelating phosphine-phosphonic diamide (PPDA) ligand is described herein for constructing transition metal complexes operable for catalysis of olefin polymerization, including copolymerization of ethylene with polar monomer.

EFFICIENT PHOSPHOROUS STABILISERS BASED ON DIPHENYLAMINE AND HETEROCYCLIC DIPHENYLAMINE DERIVATIVES

The present invention relates to the use of efficient phosphorous substances, in particular based on diphenylamine and heterocyclic diphenylamine derivatives as stabilizers for organic materials, in particular for plastic materials, against oxidative, thermal and/or actinic degradation. Te present invention additionally relates to an organic material that has been correspondingly stabilized as described above. The invention further relates to a method of stabilizing organic materials and to specific stabilizers.