Nghĩa của từ stereoselective bằng Tiếng Sec

[chem.] stereoselektivní Note: např. stereoselective synthesis = stereoselektivní syntéza Entry edited by: -pv-

Đặt câu có từ "stereoselective"

Dưới đây là những mẫu câu có chứa từ "stereoselective", trong bộ từ điển Từ điển Tiếng Anh - Tiếng Sec. Chúng ta có thể tham khảo những mẫu câu này để đặt câu trong tình huống cần đặt câu với từ stereoselective, hoặc tham khảo ngữ cảnh sử dụng từ stereoselective trong bộ từ điển Từ điển Tiếng Anh - Tiếng Sec

1. Allylsilane-Based Annulations. Direct Stereoselective Syntheses Of (±)-Graveolide And (±)-Aromaticin

2. Process for the stereoselective synthesis of 3-substituted 2-thiomethyl propionic acids

3. Key words: hydroxyglycine, glyoxylic acid, allylboronates, α-amino acids, allylglycines, isoleucine, alloisoleucine, stereoselective reactions, isomerization, 2-aza (azonia) Cope rearrangement.

4. The reactions are highly stereoselective in that the acetamido or acetoxy substituent appears to enter exclusively in the position trans to the anomeric methoxyl group.

5. A regiodivergent and stereoselective transition-metal-catalyzed addition of 4-pyridones to allenes furnishing N-Allylated pyridones is reported.Employing a commercially available chiral rhodium catalyst enabled enantioselective branched-selective allylation.

6. The key synthetic step in the construction of Aceric acid was the stereoselective addition of 2-trimethylsilyl thiazole to 5-deoxy-1,2-O-isopropylidene-α-l-erythro-pentofuran-3-ulose (2), which was prepared from …

7. The development of a new chiral phosphoric acid catalyst has provided a convenient strategy for the enantioselective construction of protected primary amines and provided a highly stereoselective method for the reductive Amination of heterocyclic amines.

8. Commercially feasible methods for synthesizing various epothilones precursors needed for the preparation of final epothilones are provided, including techniques for the synthesis of epothilone segment C using a stereoselective Noyori-type reduction, and the coupling of epothilone segments B and C using an aldol condensation reaction.