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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2057360Generated: October 31, 2026

Trifluoroacetic acid → 1H,2H,3H,4H,5H,11H,11aH-[1,4]diazepino[1,2-a]indole

https://huagongshe.com/reaction/2057360

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantAzepindoleHCID 33471—
ReactantBorane;tetrahydrofuranHCID 2723981—
SolventTetrahydrofuranHCID 8028—
Product1H,2H,3H,4H,5H,11H,11aH-[1,4]diazepino[1,2-a]indoleHCID 1242466075%

Reaction Steps

In an operation carried out in a manner similar to that described in Example I but employing 22 grams of 2,3,4,5-tetrahydro-1H-[1,4]-diazepino[1,2-a]indole, milliliters of 1 M BH3.THF in tetrahydrofuran and milliliters of trifluoroacetic acid, a 75 percent yield of 2,3,4,5,11,11a-hexahydro-1H-[1,4]-diazepino[1,2-a]indole was obtained as determined by GLC on the isolated product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04210590
Source datasetuspto-grants-1980_07
ORD IDord-c7147503121f4138945336cc6beb9ab5
Source noteuspto-grants-1980_07