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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 128676Generated: October 25, 2026

5-(Pyridin-2-yl)thiophene-2-carboxylic acid → HCID 86748371, compound

https://huagongshe.com/reaction/128676

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(Pyridin-2-yl)thiophene-2-carboxylic acidHCID 736482—
Reactant8-chlorodibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid, hydrazideHCID 13560461—
ProductHCID 86748371HCID 86748371—

Reaction Steps

8-chlorodibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid, 2-[5-(2-pyridyl)thienylcarbonyl]hydrazide (62) was prepared in the manner described in Example 7 on a 10 mmol scale from 8-chlorodibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid, hydrazide (1), prepared as described above in Example 1, and 5-(2-pyridyl)thiophene-2-carboxylic acid. The yield of product was 1.33 g (28%). Analysis calculated for C24H17N4O3SCl (M.W. 476.95): C, 60.44; H, 3.59; N, 11.75; Cl, 7.43; S, 6.72. Found: C, 60.18; H, 3.66; N, 11.69; Cl, 7.79; S, 6.63.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05464830
Source datasetuspto-grants-1995_11
ORD IDord-f43cc15c5d99490bba418965dc092221
Source noteuspto-grants-1995_11