(10)Fmoc-Gly-Lys(Boc)-Pro-Ala-Asp(otBu)-Asp(otBu)-Ala-Gly-Leu-Val- (10) Preparation of Fmoc-Gly-Lys(Boc)-Pro-Ala-Asp(otBu)-Asp(otBu)-Ala-Gly-Leu-Val-resin: (9)Fmoc-Lys(Boc)-Pro-Ala-Asp(otBu)-Asp(otBu)-Ala-Gly-Leu-Val-1050530105010603DMF3DMF2DMFFmoc-Gly-OHDIEATBTU/HOBtHBTU/HOBtBOP/HOBt105010603DMF3DMF2Fmoc-Gly-Lys(Boc)-Pro-Ala-Asp(otBu)-Asp(otBu)-Ala-Gly-Leu-Val- In the Fmoc-Lys(Boc)-Pro-Ala-Asp(otBu)-Asp(otBu)-Ala-Gly-Leu-Val-resin in step (9), add a decapping reagent and react at 10-50C for 5-30 minutes , dry it with a vacuum pump, re-add the decapping reagent at 10-50 C for 10-60 minutes, drain it, wash it with isopropanol for 3 times, wash it with DMF for 3 times, wash it twice with DMF, add the solution dissolved in DMF Mixture of Fmoc-Gly-OH, DIEA, TBTU/HOBt or HBTU/HOBt or BOP/HOBt, react at 10-50C for 10-60 minutes, dry it with a vacuum pump, wash with isopropanol for 3 times, DMF for 3 times, The DMF that redistilled is washed 2 times, sucks dry, obtains Fmoc-Gly-Lys(Boc)-Pro-Ala-Asp(otBu)-Asp(otBu)-Ala-Gly-Leu-Val-resin resin
Cathy Doll Whitening Sunscreen is the ideal product for skin protection and nourishment with cooling touch
These compounds have not been approved or cleared under 21 U.S.C
Oral supplementation of low-molecular-weight collagen peptides reduces skin wrinkles and improves biophysical properties of skin: a randomized, double-blinded, placebo-controlled study
