D-tert-leucine (CAS # 26782-71-8)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S22 - Tsis txhob nqus plua plav. S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. S36 - Hnav khaub ncaws tiv thaiv zoo. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. |
| WGK Germany | 3 |
| HS Code | 29224995 ib |
Taw qhia
D-tert-leucine (D-tert-leucine) yog cov organic compound nrog cov tshuaj formula C7H15NO2 thiab molecular hnyav ntawm 145.20g / mol. Nws yog ib tug chiral molecule, muaj ob stereoisomers, D-tert-leucine yog ib tug ntawm lawv. Qhov xwm ntawm D-tert-leucine yog raws li nram no:
1. Cov tsos mob: D-tert-leucine yog xim tsis muaj xim lossis dawb crystalline hmoov.
2. Solubility: nws tuaj yeem yog me ntsis soluble hauv dej, me ntsis soluble hauv ethanol thiab Ether cov kuab tshuaj.
3. Melting point: Lub melting point ntawm D-tert-leucine yog hais txog 141-144 ° C.
D-tert-leucine feem ntau yog siv rau Chiral synthesis hauv organic synthesis thiab kev tsim tshuaj. Nws muaj cov ntawv thov tseem ceeb hauv Enantioselective Catalytic Reactions thiab kev tshawb fawb tshuaj. Kev siv tshwj xeeb yog raws li hauv qab no:
1. Chiral synthesis: D-tert-leucine tuaj yeem siv los ua chiral catalysts lossis Chiral reagents rau kev sib txuas ntawm chiral compounds.
2. Kev tsim tshuaj: D-tert-leucine yog siv dav hauv kev tshawb fawb tshuaj thiab tshuaj synthesis, rau kev sib txuas ntawm chiral tshuaj molecules.
Cov txheej txheem ntawm kev npaj D-tert-leucine feem ntau yog los ntawm cov tshuaj synthesis lossis fermentation. Cov txheej txheem tshuaj synthesis feem ntau yog cov tshuaj tiv thaiv ntawm cov khoom siv hluavtaws kom tau txais cov khoom lag luam. Fermentation yog siv cov kab mob (xws li Escherichia coli) los metabolize cov substrates los tsim D-tert-leucine.
Hais txog kev nyab xeeb cov ntaub ntawv, qhov toxicity ntawm D-tert-leucine yog tsawg, thiab nws feem ntau ntseeg tias tsis muaj teeb meem rau tib neeg lub cev. Txawm li cas los xij, koj yuav tsum tau ua tib zoo saib xyuas kev tiv thaiv tus kheej thaum lub sijhawm ua haujlwm, tsis txhob kov ncaj qha rau ntawm daim tawv nqaij thiab qhov muag, thiab ua kom muaj cua zoo. Ua raws li cov txheej txheem kev nyab xeeb thaum siv, thiab siv cov kev tiv thaiv tsim nyog raws li qhov ntau thiab cov concentration siv. Nyob rau hauv rooj plaub ntawm kev sib cuag los yog kev noj, thov mus nrhiav kev kho mob raws sij hawm thiab nqa cov ntaub ntawv kev nyab xeeb mus rau lub tsev kho mob.
