pyran


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Related to pyran: Pyrantel pamoate

pyran

 [pi´ran]
a cyclic compound in which the ring consists of 5 carbon atoms and 1 oxygen atom.

py·ran

(pī'ran),
A cyclic compound that may be considered the formal parent of sugars with an oxygen bridge from carbon atoms 1-5 (the pyranoses).

pyran

/py·ran/ (pi´ran) a cyclic compound in which the ring consists of five carbon atoms and one oxygen atom.
Pyran.

pyran

a cyclic compound in which the ring consists of five carbon atoms and one oxygen atom.
References in periodicals archive ?
20 position a broad single peak can be seen which is related to CH group of the Pyran ring.
1989) Oxygen radicals in influenza-induced pathogenesis and treatment with pyran polymer-conjugated SOD.
SCHOTT PYRAN S and PYRANOVA glass are now approved for use in timber door blanks from six major door blank manufacturers, i.
Also, most of the earlier processes suffer from lack of commonness for the synthesis of 4j from isatin, malononitrile and dimedone, but here we have observed the catalyst DABCO can be catalyzed formation of a wide range of spiro- pyran compounds.
Our product ISO PYRAN S can be used wherever requirements are needed in addition to protection from fire.
This basic structure is comprised of two benzene rings (A and B) linked through a heterocyclic pyran or pyrone (with a double bond) ring (c) in the middle.
It is proposed that the pyran ring would be important for enhancing the antiplasmodial activity of furoquinolines, similarly as it is considered for acridone alkaloids (Basco et al.
The opening of the pyran ring as in (5) compared to (2) with a pyran ring led to a reduction in activity of (5) by 10% and 18% at 24 and 48 h, respectively.
amazonensis Pyran, tetrahydro: 2-[beta- Benzenoid L.