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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1476560Generated: October 30, 2026

Diisopropylethylamine → HCID 70976333, compound

https://huagongshe.com/reaction/1476560

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 2733084—
Reactant1-{[3-(3-methoxypropyl)-1,2,4-oxadiazol-5-yl]methyl}-6-phenyl-3-(piperidin-4-yl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione hydrochlorideHCID 67258253—
Reactant4-[(4aR,10bR)-9-ethoxy-8-methoxy-3,4,4a,10b-tetrahydro-1H-thiopyrano[4,3-c]isoquinolin-6-yl]benzoic acidHCID 67259092—
SolventDichloromethaneHCID 6344—
ProductHCID 70976333HCID 70976333—

Reaction Steps

1-{[3-(3-methoxypropyl)-1,2,4-oxadiazol-5-yl]methyl}-6-phenyl-3-(piperidin-4-yl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione hydrochloride (210 mg; compound B90) is reacted with 4-[(4aR,10bR)-9-ethoxy-8-methoxy-3,4,4a,10b-tetrahydro-1H-thiopyrano[4,3-c]isoquinolin-6-yl]benzoic acid (159 mg; compound C10) and HBTU (167 mg) in DCM (3.5 ml) in the presence of DIPEA (207 mg) according to the procedure described in example 2 to afford the title compound after purification by flash column chromatography [amino phase silica gel, eluent: EtOAc] as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09018175B2
Source datasetuspto-grants-2015_04
ORD IDord-895e1278db644be292893c5f76b7037c
Source noteuspto-grants-2015_04