IIT JAM
Shweta thakur Asked a Question
July 31, 2020 5:14 pmpts 30 pts
  • IIT JAM
  • Chemistry (CY)

Plz explain this ..... ereocher ch ch, and stereochemistry (gauche > anti) - oh oh nh - nh, nh, oh -oh -f cooh cooh (low ph) f (fon o - nh

hemistry (B sic Concepts rganic Chemi and Stereocher CH CH, and Stereochemistry (Gauche > Anti) - OH OH NH - NH, NH, OH -OH -F COOH COOH (low pH) F (foN O - NH -C- OR But in this case CH CH (Anti> Gauche) R R - NH, NH, COO COO CI/Br/I CI/Br/l This is due to steric repulsion of bulky groups. Exampless CH CH, H (Gauche) OH OH (0 H H CH,-CH, (Gauche) (01) H H CI CH,-CH C C
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  • Suman Kumar Best Answer
    These are cases where gauche is more stable
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    Suman Kumar
    https://youtu.be/ZFSTHwZ2CRk
  • Priyanshu kumar thankyou
    https://youtu.be/qOaZXZaVCNc see this video
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    Priyanshu kumar
    check this
    • cropped1399512926190303035.jpg
  • Priyanshu kumar
    Shweta when there is bulky substituent steric repulsions between groups arises..so in this case anti conformation is stable than gauche to minimise steric repulsions
    Likes(0) Reply(10)
    Shweta thakur
    but in some case gauche is stable
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