Format:
Online-Ressource
ISSN:
1099-0690
Content:
Abstract: Reaction of phenylpropynehydrazide with dimethylmalonyl chloride furnished the corresponding 4,4‐dimethyl‐1‐(3‐phenylprop‐2‐ynoyl) pyrazolidine‐3,5‐dione, which upon thermolysis underwent a 6‐endo‐dig cyclization to a pyrazolo[5,1‐b][1,3]oxazine. The corresponding reaction of arylpropynehydrazides with monosubstituted malonyl chlorides furnished pyrazolo[5,1‐b][1,3]oxazine‐7‐ones via intermediates that could not be isolated.
In:
volume:2012
In:
number:17
In:
year:2012
In:
pages:3219-3222
In:
extent:4
In:
European journal of organic chemistry, Weinheim : Wiley-VCH Verl., 1998-, 2012, Heft 17 (2012), 3219-3222 (gesamt 4), 1099-0690
Language:
English
DOI:
10.1002/ejoc.201200267
URN:
urn:nbn:de:101:1-2023030109014026832453
URL:
https://doi.org/10.1002/ejoc.201200267
URL:
https://nbn-resolving.org/urn:nbn:de:101:1-2023030109014026832453
URL:
https://d-nb.info/128216757X/34
URL:
https://doi.org/10.1002/ejoc.201200267
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