2-Chlorotrityl Chloride and 4-Methylbenzhydryl Bromide Resin Loading Using the Mixture of Organic Solvents: A “Greener” Alternative to Dichloromethane and N,N …

M Leko, P Filippova, M Dorosh, K Rustler… - … Process Research & …, 2021 - ACS Publications
Common protocols for the loading of 2-CTC and MBH-Br resins presume the application of
DCM, THF, or DMF; these solvents are considered as undesirable in accordance with …

Missing Link: Enabling Loading of 2-Chlorotrityl Chloride Resin in N-Butylpyrrolidinone as a Green Solvent

J Lopez, J Beck, C Bucher, A Berthelmann… - … Process Research & …, 2022 - ACS Publications
The 2-chlorotrityl chloride (2-CTC) resin is one of the most frequently used and most
versatile resins for the large-scale manufacture of peptides. As a part of our efforts in …

Chlorotrityl chloride (CTC) resin as a reusable carboxyl protecting group

F García‐Martín, N Bayó‐Puxan, LJ Cruz… - QSAR & …, 2007 - Wiley Online Library
Chlorotrityl Chloride (CTC) resin is one of the most useful resins for the solid‐phase
synthesis of C‐terminal acid peptides. CTC resin can be used for the preparation of both …

Greening the solid-phase peptide synthesis process. 2-methf for the incorporation of the first amino acid and precipitation of peptides after global deprotection

O Al Musaimi, YE Jad, A Kumar… - … Process Research & …, 2018 - ACS Publications
In solid-phase peptide synthesis, dichloromethane is the predominant solvent used to
incorporate the first amino acid on a 2-chlorotrityl chloride resin (via nucleophilic …

Use of an internal reference for the quantitative HPLC-UV analysis of solid-phase reactions: A case study of 2-chlorotrityl chloride resin

J Spengler, AI Fernandez-Llamazares… - ACS Combinatorial …, 2013 - ACS Publications
Here we evaluated the use of internal reference compounds for the rapid assessment of
reactions performed in solid-phase. An internal reference compound (commercially …

Cleaving protected peptides from 2-chlorotrityl chloride resin. Moving away from dichloromethane

M Alhassan, O Al Musaimi, JM Collins, F Albericio… - Green …, 2020 - pubs.rsc.org
In recent years, the work of various research groups has allowed the substitution of the
hazardous solvents most widely used in solid-phase peptide synthesis, namely DMF, NMP …

Substitution determination of Fmoc‐substituted resins at different wavelengths

S Eissler, M Kley, D Bächle, G Loidl… - Journal of Peptide …, 2017 - Wiley Online Library
In solid‐phase peptide synthesis, the nominal batch size is calculated using the starting
resin substitution and the mass of the starting resin. The starting resin substitution constitutes …

N‐Tetrachlorophthaloyl (TCP) Protection for Solid‐Phase Peptide Synthesis

E Cros, M Planas, G Barany… - European Journal of …, 2004 - Wiley Online Library
Abstract The N‐tetrachlorophthaloyl‐(TCP‐) amino protecting group has been evaluated for
use in solid‐phase peptide synthesis. The TCP group was unaffected by exposure to either …

Improved solid-phase peptide synthesis of 'difficult peptides' by altering the microenvironment of the developing sequence

N Zinieris, C Zikos, N Ferderigos - Tetrahedron letters, 2006 - Elsevier
Three types of resins, related to the spacer, environmental and microenvironmental models
were prepared by grafting commercial AMP polymer with 2-[2-(2-aminoethylamino)-2 …

Improving 2-Chlorotrityl Chloride (2-CTC) Resin Activation

T Román, G Acosta, BG de la Torre, C Cárdenas… - Methods and …, 2023 - mdpi.com
Used in solid-phase peptide synthesis (SPPS) for peptides with an acid termination, the 2-
chlorotrityl chloride (2-CTC) resin is highly susceptible to moisture, leading to reduced resin …