(R)-6-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydropyrrolo[3,4-b]pyrrol-4(1H)-one → 2'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1'H-spiro[cyclopropane-1,6'-pyrrolo[3,4-b]pyrrol]-4'(5'H)-one

Participants

Role	Name	HCID	Charge
Reactant	(R)-6-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydropyrrolo[3,4-b]pyrrol-4(1H)-one	HCID 89781988	—
Reactant	1'H-spiro[cyclopropane-1,6'-pyrrolo[3,4-b]pyrrol]-4'(5'H)-one	HCID 89784179	—
Product	2'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1'H-spiro[cyclopropane-1,6'-pyrrolo[3,4-b]pyrrol]-4'(5'H)-one	HCID 89783484	—

Reaction Steps

This compound as a brown solid was prepared according to the procedure described for intermediate 705, using 1′H-spiro[cyclopropane-1,6′-pyrrolo[3,4-b]pyrrol]-4′(5′H)-one (704) as the starting material. m/z (ESI, +ve) 275.0 (M+H)+).

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US09394297B2
Source dataset	uspto-grants-2016_07
ORD ID	ord-457720ad2b694b87b4fa8227a45588d1
Source note	uspto-grants-2016_07