TY - JOUR
T1 - Synthesis and reactivity of some 3,4-dibromo-2H[1]benzopyrans
T2 - The generation and reactions of 3,4-didehydro-2H-[1]benzopyran
AU - Gabbutt, Christopher D.
AU - Hepworth, John D.
AU - Heron, B. Mark
AU - Rahman, Md Moshfiqur
AU - Coles, Simon J.
AU - Hursthouse, Michael B.
PY - 1999/8/20
Y1 - 1999/8/20
N2 - Reaction of 3,4-dibromo-2,2,6,8-tetramethyl-2H-[1]benzopyran with either organolithium reagents or magnesium generates the novel strained alkyne, 3,4- didehydro-2H-[1]benzopyran. Cycloaddition with furans gives access to the dibenzo[b,d]pyran system.
AB - Reaction of 3,4-dibromo-2,2,6,8-tetramethyl-2H-[1]benzopyran with either organolithium reagents or magnesium generates the novel strained alkyne, 3,4- didehydro-2H-[1]benzopyran. Cycloaddition with furans gives access to the dibenzo[b,d]pyran system.
UR - http://www.scopus.com/inward/record.url?scp=0033588368&partnerID=8YFLogxK
U2 - 10.1016/S0040-4020(99)00571-2
DO - 10.1016/S0040-4020(99)00571-2
M3 - Article
AN - SCOPUS:0033588368
VL - 55
SP - 10467
EP - 10480
JO - Tetrahedron
JF - Tetrahedron
SN - 0040-4020
IS - 34
ER -