
pyrazolidine

pyrazolidine ack visham-chakreeya yaugik haye. yeh ack taral haye joe havaa mein sthir haye, lekin yeh hygroscopic haye.
taiyari.
hydrazine key saath 1,3-dichloropropen yaa 1,3-dibromopropen key cyclisation seey pyrazolidine kaa utpaadan kiya jaa sakata haih

