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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1272140Generated: October 31, 2026

Sodium borohydride → (4R,9aR)-6-difluoromethyl-7-hydroxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester

https://huagongshe.com/reaction/1272140

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium borohydrideHCID 4311764—
Reactant(4R,9aR)-6-ethyl-7-hydroxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl esterHCID 69359485—
Reactant(4R,9aR)-6-difluoromethyl-7-formyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl esterHCID 86596362—
Product(4R,9aR)-6-difluoromethyl-7-hydroxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl esterHCID 69360356—

Reaction Steps

This compound was prepared in analogy to example 15, intermediate b) from (4R,9aR)-6-difluoromethyl-7-formyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester and sodium borohydride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07208494B2
Source datasetuspto-grants-2007_04
ORD IDord-1161ecd1d480451eacb8bf47cc6a520a
Source noteuspto-grants-2007_04