Re: ORGLIST - orglist Digest - V01 #101

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From: Andrei Yudin (yudin$##$scripps.edu)
Date: Mon Mar 09 1998 - 19:37:05 EST


The addition of base may help. Example: DCC / dichloromethane/ diethylamine
system for coupling of acids with hydroxylamine derivatives(see TL 1996,
p. 2237).

Regards

Andrei Yudin

Sharpless Group
The Scripps Research Institute


>orglist Digest Tue, 10 Mar 1998 00:00:39 +0000 V01 #101
>
>Today's topics:
> '<none>'
>
>----------------------------------------------------------------------
>
>Date: Mon, 9 Mar 1998 20:43:06 +0200 (EET)
>From: Viesturs Lusis <lusis$##$osi.lanet.lv>
>Subject: <none>
>
>
>I would very appreciate any advice for preparative method of
>alpha-hydroxyacid coupling with hydroxylamine or O-benzylhydroxylamine.
>The experiment - O-benzylhydroxylamine .HCl + hydroxyacid + DCCD (or
>1-Et-3-(3-dimethylaminopropyl)-carbodiimide .HCl) provides unsufficant
>result.
>Thank you in advance.
>Viesturs Lusis.
>
>
>------------------------------
>
>
>End of orglist Digest V01 #101
>******************************



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