摘要:
Provided herein are inter alia, unnatural amino acids based on fluorosulfonyloxybenzoyl-L-lysine FSK, proteins comprising unnatural amino acids, nanobodies comprising unnatural amino acids based on fluorosulfate-L-tyrosine FSY, meta-FSY and FFY within CDR1, CDR2, or CDR3, biomolecule conjugates, and methods of making the proteins and biomolecule conjugates.
摘要:
A compound represented by the formula (I): (R1)m-AnullXY-Bnull(R2)nnullnull(I) or a salt or a solvate thereof; and a composition and a kit both containing any of these. In said formula I, X represents CH, Sulfur, or nitrogen; Y represents CH, sulfur or nitrogen, or absent; means a single bond or a double bond; A and B each independently represents a benzene ring or six-membered heterocyclic containing one or two atoms of nitrogen, oxygen, or sulfur; and R1 and R2 represent one to seven substituents of ring A and ring B, respectively.
摘要:
The present disclosure provides naphthalenesulfonyl compounds, preparation methods and application thereof. Specifically disclosed is a compound of formula (I) or a salt thereof, which serves as a specific derivatization reagent capable of reacting with hydroxyl and amino groups. The compound features simple synthesis, high reactivity, and ready availability at low cost, and is capable of improving chromatographic separation behaviors of target compounds and enhancing the detection sensitivities of these compounds.
摘要:
The present invention relates to transition-metal-free process for the synthesis of tertiary arylamines comprises coupling reaction between arynes and N,N-dimethyl aniline compounds in presence of 18-crown-6, KF and THF.
摘要:
The present invention relates to novel processes for the preparation of substituted tetralin and substituted indane derivatives. The present invention is further directed to novel processes for the preparation of intermediates in the preparation of the substituted tetralin and substituted indane derivatives.
摘要:
The present invention is directed to processes for the synthesis of intermediates useful in the preparation of non-nucleoside reverse transcriptase inhibitors.
摘要:
The invention relates to a process for the preparation of diazonaphthoquinonesulfonylchlorides of the formula 1, 2 and 3 using diphosgene or triphosgene.
摘要:
A novel benzenesulfonamide derivative represented by the formula: ##STR1## has an inhibitory activity against phospholipase A.sub.2, so that it is effective in the treatment of diseases for which such an activity is efficacious.