تفاعل #1482248

ord-7e8c95e9140d4855b3d9000be1df22a2

معادلة التفاعل

CC[C@H]1OC(=O)C[C@@H](OC(C)=O)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)[C@@H](O[C@H]3C[C@@](C)(O)[C@@H](OC(=O)CC(C)C)[C@H](C)O3)[C@H](N(C)C)[C@H]2O)[C@@H](CC=O)C[C@@H](C)C(=O)/C=C/C(C)=C/[C@@H]1CO[C@@H]1O[C@H](C)[C@@H](O)[C@@H](OC)[C@H]1OC
3-acetyl-4"-isovaleryltylosin
CC(C)C[C@H](N)C(=O)O
L-leucine
CCCC(N)C(=O)O
DL-norvaline
→
CC[C@H]1OC(=O)C[C@@H](O)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)[C@@H](O[C@H]3C[C@@](C)(O)[C@@H](O)[C@H](C)O3)[C@H](N(C)C)[C@H]2O)[C@@H](CC=O)C[C@@H](C)C(=O)/C=C/C(C)=C/[C@@H]1CO[C@@H]1O[C@H](C)[C@@H](O)[C@@H](OC)[C@H]1OC
tylosin

المتفاعلات

—
isovaleryl
CC[C@H]1OC(=O)C[C@@H](OC(C)=O)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)[C@@H](O[C@H]3C[C@@](C)(O)[C@@H](OC(=O)CC(C)C)[C@H](C)O3)[C@H](N(C)C)[C@H]2O)[C@@H](CC=O)C[C@@H](C)C(=O)/C=C/C(C)=C/[C@@H]1CO[C@@H]1O[C@H](C)[C@@H](O)[C@@H](OC)[C@H]1OC
3-acetyl-4"-isovaleryltylosin
CC(C)C[C@H](N)C(=O)O
L-leucine
CCCC(N)C(=O)O
DL-norvaline

الكواشف

لا شيء

ظروف التفاعل

الظروف التفصيلية
See reaction.notes.procedure_details.

المعالجة

  1. 1
    أخرىThe conversion reaction

الإجراء التجريبي

The conversion reaction was carried out in a manner similar to Example 4 with the same strain, in which L-leucine was used in substitution for DL-norvaline in Example 4 as the isovaleryl donor. About 400 mg of white crystals of 3-acetyl-4"-isovaleryltylosin were obtained from 3 g of tylosin.

المصدر

DOI: 10.6084/m9.figshare.5104873.v1براءة الاختراع: US04201843uspto-grants-1980_05