RE: ORGLIST:question

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From: Jon Kremsky (jkremsky$##$
Date: Thu Mar 11 2004 - 15:12:41 EST

Dr. Tushar:

No, you can't, although I don't know why. We have done a lot of phosgene
chemistry and have tried in almost every case to use tri (or di-) phosgene
instead. Sometimes it works, more often it does not. It's strictly
empirical at this point. Di-phosgene seems to succeed more often, but we
have found that it's not worth the experimental time. If anyone has some
tricks, I'd love to hear them.

Jon Kremsky
  -----Original Message-----
  From: everybody-admin$##$ [mailto:everybody-admin$##$]On
Behalf Of Dr. Tushar Mehta
  Sent: Thursday, March 11, 2004 11:04 AM
  To: everybody$##$
  Subject: ORGLIST:question

  Can we use triphosgene instead of phosgene in every reaction which
reported with phosgene if yes than why people still use phosgene in some



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