sterically hindered 中文意思是什麼

sterically hindered 解釋
空間位阻的
  1. Kodak company describe the use of a solvent-stabilizer system comprising a class of sterically hindered phenols acting both as coupler solvent and stabilizer.

    柯達敘述了一類含有空間位阻酚類作為成色劑和穩定劑。
  2. By using sterically hindered, electron - rich alkylphosphines and n - heterocyclic carbenes ( nhc ), this process has encompassed a broad range of substrates including ketones, aldehydes, esters, amides, malonates, nitrocompounds, nitriles and sulfones

    隨著大位阻、富電子烷基膦和氮雜環卡賓（ nhc ）為配體的催化體系的出現，該類反應的底物已從酮擴展到醛、酯、酰胺以及含酸性氫的化合物如丙二酸酯、硝基化合物、腈、碸等。
  3. Abstract : synthesis of sterically hindered dicyclohexylmethyl 、 l - menthyl and tert - butyl diazoacetate by diazo transfer was described on this paper

    文摘:研究了用重氮轉移法合成具有較大空間位阻的重氮乙酸二環己基甲酯、 l -薄荷酯和叔丁酯。
  4. The characteristics, protective principle and application of sterically hindered silane blocking agents were reviewed

    摘要綜述了位阻型硅烷化試劑的特點、保護原理和應用。
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