REAGENT or RESOURCE	SOURCE	IDENTIFIER
Chemicals, peptides, and recombinant proteins
Deuterated chloroform	Deutero	Cas: 865-49-6
Dichloroethane	Penta	Cas: 107-06-2
Dichloromethane	Honeywell	Cas: 75-09-2
Toluene	Keemiakaubandus AS	Cas: 108-88-3
Acetonitrile	Honeywell	Cas: 75-05-8
Cyclopentyl methyl ether	Thermo Fisher Scientific	Cas: 5614-37-9
Methanol	Keemiakaubandus AS	Cas: 67-56-1
N,N-dimethylformamide	Thermo Fisher Scientific	Cas: 68-12-2
Isopropyl alcohol	Thermo Fisher Scientific	Cas: 67-63-0
Tetrahydrofuran	Thermo Fisher Scientific	Cas: 109-99-9
Diethyl ether	Honeywell	Cas: 60-29-7
Petroleum ether (bp: 40°C–60°C)	Honeywell	Cas: 8032-32-4
Ethyl acetate	Keemiakaubandus AS	Cas: 141-78-6
Hexane	Honeywell	Cas: 110-54-3
Trifluoroacetic acid	Apollo Scientific	Cas: 76-05-1
Triethylamine	Fisher Chemical	Cas: 121-44-8
Piperidine	Alfa Aesar	Cas: 110-89-4
Pyridine	Acros Organics	Cas: 110-86-1
4-dimethylaminopyridine	Acros Organics	Cas: 1122-58-3
Acetic anhydride	Reachim	Cas: 108-24-7
Para-nitrobenzoic acid	Honeywell	Cas: 62-23-7
Potassium fluoride	Sigma-Aldrich	Cas: 7789-23-3
Potassium carbonate	Lachner	Cas: 584-08-7
1-Hydroxybenzotriazole hydrate	Sigma-Aldrich	Cas: 123333-53-9
N,N′-diisopropylcarbodiimide	Sigma-Aldrich	Cas: 693-13-0
Triphenylphosphine	Fluorochem	Cas: 603-35-0
Diisopropyl azodicarboxylate	Thermo Fisher Scientific	Cas: 2446-83-5
Diphenylphosphoryl azide	Sigma-Aldrich	Cas: 26386-88-9
Boron tribromide (1 M solution in DCM)	Sigma-Aldrich	Cas: 10294-33-4
Di-tert-butyl dicarbonate	Acros Organics	Cas: 24424-99-5
Iodine	Reachim	Cas: 7553-56-2
Sodium hydride (60% in mineral oil)	Sigma-Aldrich	Cas: 7646-69-7
Sodium thiosulfate	Merck	Cas: 7772-98-7
Thionyl chloride	Acros Organics	Cas: 7719-09-7
Butyl amine	Sigma-Aldrich	Cas: 109-73-9
Pivaloyl chloride	Sigma-Aldrich	Cas: 3282-30-2
Methyl iodide	Sigma-Aldrich	Cas: 74-88-4
Boc-(L)-α-tert-butylglycine	Sigma-Aldrich	Cas: 62965-35-9
Boc-(L)-alanine	Orpegen	Cas: 15761-38-3
Boc-(L)-leucine	Alfa Aesar	Cas: 13139-15-6
Boc-O-benzyl-(L)-serine	Orpegen	Cas: 23680-31-1
Boc-(L)-methionine	Orpegen	Cas: 2488-15-5
Boc-(L)-2-propargylglycine	Sigma-Aldrich	Cas: 63039-48-5
Fmoc-(L)-phenylalanine	Sigma-Aldrich	Cas: 35661-40-6
Fmoc-(L)-isoleucine	Fluorochem	Cas: 71989-23-6
Fmoc-(L)-valine	Sigma-Aldrich	Cas: 68858-20-8
Fmoc-(L)-alanine	Orpegen	Cas: 35661-39-3
(L)-phenylalanine	Strem	Cas: 63-91-2
(L)-α-phenylglycine	Lancaster	Cas: 2935-35-5
Quinine	Sigma-Aldrich	Cas: 130-95-0
Merrifield resin LL	Sigma-Aldrich	f = 1.02 mmol/g (functionalization level provided by supplier), 100–200 mesh, 1% DVB
(Aminomethylated)polystyrene	Sigma-Aldrich	f = 1.2 mmol/g (functionalization level provided by supplier), 70–90 mesh, 1% DVB
Wang resin	Iris Biotech	f = 1.2 mmol/g (functionalization level provided by supplier), 100–200 mesh, 1% DVB
Silica gel	Kieselgel	40−63 μm
Software and algorithms
ChemDraw Professional 20.0	PerkinElmer	https://www.perkinelmer.com/category/chemdraw
Other
Thin layer chromatography (TLC) plate	Merck	DC-Alufolien, Kieselgel F254
Shaker	Heidolph	UNIMAX 1010
Thermoregulated shaker	Heidolph	UNIMAX 1010 with heating module Inkubator 1000)
Analytical balance	KERN Precisa Mettler Toledo	ABT 220-4NM 220 M SCS PB1502-S/FACT
Magnetic stirrer (0–1500 rpm)	IKA	RET basic
Automated flash chromatography instrument	Biotage	Isolera Prime ISO-PSV
Rotary evaporator	Heidolph Büchi	Laborota 4000 R-300; B-300 Base; Interface I-100; Vacuum Pump V-100
High vacuum pump	Edwards	RV5
Nuclear magnetic resonance spectrometer	Bruker	Avance III 400 MHz
IR spectrometer	Bruker	Tensor 27 FT-IR
Elemental analyzer	Elementar	Vario-Micro V2.2.0 CHNS
Scanning electron microscope (SEM)	Zeiss	FEG-SEM Ultra-55
Liquid chromatography-mass spectrometer (LC-MS)	Agilent	G4220A (1290 Bin Pump); G1330B (1290 Thermostat); G4226B (1290 Sampler); G1316C (1290 TCC); 6540 UHD Accurate-Mass Q-TOF (ESI ionization)