November 25, 2024, 10:03:25 AM
Forum Rules: Read This Before Posting


« previous next »
Pages: [1]   Go Down

Topic: allyl pattern in nmr  (Read 4024 times)

0 Members and 1 Guest are viewing this topic.

Offline myabaumbach

  • Very New Member
  • *
  • Posts: 1
  • Mole Snacks: +0/-0
allyl pattern in nmr
« on: December 15, 2021, 10:44:54 AM »
How does allyl protons appear in HNMR
I have doublet at 4 ppm, two doublets at 5-5.5 ppm and multiplet at 6 ppm
how can this be explained
Logged

Offline phth

  • Chemist
  • Full Member
  • *
  • Posts: 528
  • Mole Snacks: +39/-4
Re: allyl pattern in nmr
« Reply #1 on: January 02, 2022, 08:51:28 PM »
What are the J coupling values? Are there multiple J coupling values per each proton?
Logged

Offline wildfyr

  • Global Moderator
  • Sr. Member
  • ***
  • Posts: 1776
  • Mole Snacks: +203/-10
Re: allyl pattern in nmr
« Reply #2 on: January 03, 2022, 11:20:47 AM »
Yep, that is HIGHLY characteristic of allyl.

You can look up some allyl compounds on the public site SDBS for examples.

https://sdbs.db.aist.go.jp/sdbs/cgi-bin/cre_index.cgi
Logged
Pages: [1]   Go Up
« previous next »
Sponsored Links