A new, general method for the synthesis of spiro [4, 5] trienones is described by the
intramolecular ipso-halocyclization of 4-(p-unsubstituted-aryl)-1-alkynes. In the presence of …

A method for the preparation of 3-alkylated spiro [4.5] trienones via alkylation/ipso-
cyclization of activated alkynes with 4-alkyl-DHPs under transition-metal-free conditions is …

A general and efficient intramolecular electrophilic ipso-iodocyclization of para-unactivated
arylalkynes has been developed for the synthesis of spiro [4, 5] trienyl acetates. In the …

A strategy for the synthesis of spiroketal compounds through a tandem iodocyclization of 1-
(2-ethynylphenyl)-4-hydroxybut-2-yn-1-one derivatives is presented. This reaction could …

A wide variety of 3-halospiro [4.5] trienones are readily prepared in good to excellent yields
by the intramolecular ipso-halocyclization of 4-(p-methoxyaryl)-1-alkynes under mild …

A new type of catalytic stereoselective cascade pseudo four-component reaction was
discovered. The simple and facile pseudo four-component reaction of isatins, cyclic ketones …

Domino cyclization– alkylation protocol for the synthesis of 2,3-functionalized indoles from o
-alkynylanilines and allylic alcohols - Organic & Biomolecular Chemistry (RSC Publishing) …

The organic-base-catalyzed 5-exo intramolecular cyclization reaction of o-alkynylbenzoic
acid produces the corresponding phthalide regioselectively in good to excellent yields. The …

The flexible and simple cascade reaction involving a Michael–aldol or vinylogous Henry-
acetalization relay is described. We have used the cascade reaction to assemble …

The electrophilic cyclization of 2-(1-alkynyl)-2-alken-1-ones in the presence of various
alcohols or carbon-based nucleophiles offers an efficient and straightforward route to highly …